Best Reverse Osmosis Filter 2018

Best Reverse Osmosis Systems:
10 Great Water Filters for 2019

Inferior tap water from your home’s faucets doesn’t just taste bad. It also interferes with your coffee, tea, cooking, pet’s drinking water, and, ultimately, costs you money because you’d rather buy bottled water instead. No matter if your water tastes acidic, chalky, murky, or bitter, you’ll be amazed at the difference when you get one of these reverse osmosis systems.

This best reverse osmosis system article lists the top units on the market; all ten we review below work by using complex and fast-acting filtering stages to ‘scrub’ and then ‘rescrub’ your water. That way, when you turn on your special reverse osmosis water faucet, all you get is the cleanest and purest H2O.

Comparison Chart

NameProductionStagesWarrantyRating
1. Home Master TMHP HydroPerfection Reverse Osmosis Water Filter System75 GDP95-year9.9/10CHECK PRICE
Editor's Choice
2. Home Master TMAFC-ERP Artesian Full Contact Reverse Osmosis Water Filter System75 GDP75-year9.8/10CHECK PRICE
3. APEC Ultimate 5-Stage RO-90 Reverse Osmosis Drinking Water Filter System90 GDP52-year (with registration)9.8/10CHECK PRICE
4. iSpring RCC7AK High Capacity 6-Stage Reverse Osmosis Drinking Water Filtration System75 GDP61-year9.7/10CHECK PRICE
5. APEC Top Tier 5-Stage Ultra Safe Reverse Osmosis Drinking Water Filter System50 GDP52-year (with registration)9.6/10CHECK PRICE
6. APEC Top Tier Alkaline Mineral pH+ 6-Stage Ultra Safe Reverse Osmosis Drinking Water Filter System75 GDP62-year (with registration)9.6/10CHECK PRICE
7. iSpring RCC7 High Capacity 5-Stage Reverse Osmosis Drinking Water Filtration System75 GDP51-year9.5/10CHECK PRICE
8. iSpring RCC1UP-AK 7-Stage Maximum Performance Reverse Osmosis Drinking Water Filtration System100 GDP71-year9.5/10CHECK PRICE
9. Olympia Water Systems OROS-50 5-Stage Reverse Osmosis Water Filtration System50 GDP51-year9.5/10CHECK PRICE
10. Global Water RO-505 5-Stage Reverse Osmosis System Water50 GDP51-year9.4/10CHECK PRICE

 

1. Home Master TMHP HydroPerfection Reverse Osmosis Water Filter System – Editor’s Choice 2019

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The Rundown

Perfect Water Technologies is the company behind manufacturing this Home Master HydroPerfection Reverse Osmosis System. Located in Scottsdale, Arizona, they were founded in 2002 and have been awarded several patents for their improved remineralization system and double forced sterilization.

You really are getting the best when you choose this Home Master Reverse Osmosis System. It helps to solve the major problems associated with these systems, including improving canister leaks, speeding up the water flow through the tubing, easier parts to fix or replace, and reducing acidic water. This reverse osmosis system works with either city water or well water. You don’t need a plumber to install it, either. By the time your household’s water has passed through the Home Master’s 9 stage system, you’ll have faster flowing water that’s slightly alkaline and ideal for constant daily use. That’s nine different filters to get the bad stuff out and to remineralize your water, so it tastes like expensive bottled mineral water. It filters water down to 0.001 microns, meeting the 0.002 reverse osmosis standard. You turn on the faucet, and you’ll have ultra pure mineral water on tap. You even get a free 24 oz. Nalgene water bottle to go with it!

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Specifications

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This Home Master Reverse Osmosis System requires a standard household electrical outlet of 110v or 220v. It produces 75 gallons per day (GPD) of remineralized water. Your feed water temperature should be between 40 and 100 degrees Fahrenheit, with a home water pressure between 40 – 90 PSI. You get a 5 year warranty. The purification unit is 16”H x 8” W x 5”D, while the reserve tank is 15”H x 11”D. Its overall weight is 18.75 lbs.

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Pros

  • 9 stages of filtration, purification, and enhancement – the most offered by any of the units in this reverse osmosis system reviews article
  • Uses modular filters that have a filter and filter housing all-in-one
  • Filter housings changed annually, reducing leaks
  • Fast Flow kit uses larger fittings to speed up flow
  • Filters have push-in fittings to easily remove for clean-up
  • Has a remineralization filter for acidic water

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Cons

  • Wastes 1 gallon of water per 1 gallon purified
  • Poor quality installation instructions
  • Needs an electrical outlet with constant power

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The Bottom Line

This Home Master HydroPerfection Reverse Osmosis System is excellent for those who’re looking for the best tasting water, with no metallic taste. It can be installed yourself and replacing the filters takes only 20 minutes of your time once a year.

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2. Home Master TMAFC-ERP Artesian Full Contact Reverse Osmosis Water Filter System

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The Rundown

Located in Scottsdale, Arizona, Perfect Water Technologies is the American company producing the Home Master Artesian Full Contact Reverse Osmosis System. They were founded in 2002 and offer plenty of water systems for home use.

Whether installed under the kitchen sink or in your basement, the Home Master Artesian Full Contact Reverse Osmosis System produces 75 gallons per day of demineralized and filtered water. It uses a patented 7 stage system of filtration to remove up to 98% of chemicals and other water contaminants, giving you amazingly tasting water out of your own faucets. It can also be hooked up to your fridge, so you get better tasting water and ice from that convenient location, too. The Full Contact technology means that the good minerals – calcium and magnesium – are actually added back into your water, not once but twice. It’s like having your own vitamin water system in your own home. When you get the standard with pump option, that permeate pump reduces water waste up to 80%, helping your monthly water bill, and also increases water production up to 50%. You’ll like the easy change filters within their own filter housing; simply swap those out annually and attach the new filters easily with the improved fittings.

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Specifications

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The Home Master Artesian Full Contact Reverse Osmosis System requires a standard electrical outlet of 110v or 220v. The minimum water pressure for the system to operate is 40 PSI, and the maximum is 100 PSI. The feed water temperature will be between 40 and 100 degrees Fahrenheit. The TDS (total dissolved solids) is 2000 ppm (parts per million), with pH limits between 4 and 10. You get a 5-year warranty. Its total size is 12”W x 16”D x 20”H, with a weight of 14.5 lbs.

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Pros

  • 7 stages of filtration, purification, and enhancement
  • High quality parts, accessories, and an American company
  • Only takes 10 seconds for the electrical pump to start
  • Comes with filters and filter housings as one unit for easy replacement
  • Has larger 3/8” tubing to improve water flow
  • Excellent customer service for replacing parts within warranty time

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Cons

  • Does not remove iron or destroy microorganisms
  • Wastes 3-4 gallons of water for every 1 gallon purified without permeate pump
  • Need the permeate pump to reduce water waste

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The Bottom Line

As long as you don’t need the UV portion to destroy microorganisms and also get the permeate pump, this Home Master Artesian Full Contact Reverse Osmosis System is top rated and one of the best. Just like with the HydroPerfection model, it only takes about 20 minutes a year to change out the filters.

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3. APEC Ultimate 5-Stage RO-90 Reverse Osmosis Drinking Water Filter System

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The Rundown

APEC Water (Advanced Purification Engineering Corp.) is the “leading manufacturer of residential reverse osmosis water filtration systems”, according to their website. They’re based in City of Industry, California, and were established in 1995.

Made in the USA, this APEC Ultimate 5-Stage RO-90 Reverse Osmosis System is WQA Certified to remove up to 99% of your water’s chemicals and contaminants. It comes with super capacity filters designed for longevity. Each of the five stages has a filter to trap a different contaminant category. Stage 1 is dust, larger, particles, and rust. Stage 2/3 is chlorine, chemicals, odors, and color. Stage 4 is heavy duty, removing radioactive particles, heavy metals, viruses, and other pollutants down to .0001 microns, and Stage 5 finely polishes the water, adding good minerals back in. You also get the designed John Guest tubing and fittings with stainless steel teeth to grip and a special O-ring to drastically reduce leaks. The system is easy to install yourself without a plumber.

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Specifications

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This APEC Ultimate 5-Stage RO-90 Reverse Osmosis System gives you 90 GPD at 60 PSI and 75 GPD at 50 PSI, with a maximum of 85 PSI. You need a feed water temperature between 40 and 100 degrees. You get a 2 year warranty with registration. The tank dimensions are 11”W x 11”D x 15”H, and the whole unit weighs 25 lbs.

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Pros

  • Designed, engineered, and assembled in the USA
  • Uses double carbon blocks for chlorine removal
  • WQA Gold Seal certified for 99% contaminant removal
  • Super high capacity filters are made in the USA
  • Has advanced coconut shell refining filter
  • Free technical support for product’s entire lifetime

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Cons

  • Doesn’t have a specific refrigerator kit
  • Have to replace two sets of expensive filters
  • Wastes 3 gallons of water for every 1 gallon filtered

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The Bottom Line

With American made parts, APEC’s commitment to quality, and the company’s charitable giving, this is a product suitable for plenty of residential households. As long as you can change the filters exactly on the required schedule, this reverse osmosis system is ideal.

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4. iSpring RCC7AK High Capacity Under Sink 6-Stage Reverse Osmosis Drinking Water Filtration System

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The Rundown

iSpring was founded in Alpharetta, Georgia, in 2005 and is a family owned company. They specialize in reverse osmosis water filtration systems. They have a great product line that covers both residential and commercial units.

You get 6 stages of filtering and cleaning in this iSpring High Capacity Reverse Osmosis System. Each stage has its own specialized filter, and they’re all clearly different. The whole unit mounts under your sink and removes up to 99% of 1000 of the most harmful contaminants, including lead, arsenic, asbestos, bacteria, viruses, and more. Since reverse osmosis also removes healthy minerals, this unit has an Alkaline Remineralization filter to add those good minerals back in. That’s the 6-stage difference above the 5-stage. The tubing and fittings are made up for quick fitting connectors and locks, with no threading pipes. You can install this unit yourself within a few hours, and it comes with a brushed nickel faucet, too.

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Specifications

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This iSpring RCC7AK 6-Stage Reverse Osmosis System comes with a 1-year warranty, and it produces 75 GPD of clear mineral water. The tank is 3.2 gallons, and it comes with ¼” four-color tubings. You have to have a minimum water pressure of 45 PSI to maximum 70 PSI, with a water temperature range between 40 and 100 degrees Fahrenheit. Its maximum TDS is 750 ppm. In size, it measures 14.5”W x 5.2”D x 18.5”H, and it weighs about 20 lbs.

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Pros

  • Comes with a high quality faucet
  • Complete 6 filter set, each one specifically designed for different contaminants
  • Has a 3.2 gallon pressurized storage tank
  • WQA Gold Seal certified for purity and cleanliness
  • Has its own water detector with a built-in alarm
  • Comes with spare parts like O-rings and fittings

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Cons

  • Warranty is only 1 year
  • Wastes 2 gallons of water for every 1 gallon purified
  • Filters have to be changed every 6 months

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The Bottom Line

You can install this iSpring RCC7AK 6-Stage Reverse Osmosis System in a few hours and the six filters will do an excellent job of removing contaminants. This unit is great for those who appreciate great-tasting water.

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5. APEC Top Tier 5-Stage Ultra Safe Reverse Osmosis Drinking Water Filter System

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The Rundown

Established in 1995, APEC Water (Advanced Purification Engineering Corp.) is the “leading manufacturer of residential reverse osmosis water filtration systems”, according to their website. They’re based in City of Industry, California, and their products are made in the USA.

You get 50 gallons per day of great tasting mineral water from this APEC 5-Stage Reverse Osmosis System. The whole unit is clean and well designed, with three large filters on the bottom and two on the top. You get double carbon block filters to get the maximum possible chlorine and chemical removal, plus there’s also a TFC Membrane filter and a post filter with coconut shell to remove tank residue. FDA Certified John Guest food grade colored tubing connects the unit, and it also comes with a designer faucet. You get great fittings, like a tank ball valve and a feed water adapter. No plumber installation required. From Stage 1 to Stage 5, your water will be scrubbed clean.

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Specifications

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This APEC 5-Stage Reverse Osmosis System comes with a 2 year warranty, a capacity of 50 GPD, and it reduces TDS down to less than 10 ppm, as compared to regular tap water 270 ppm. You’ll need an average water pressure of 60 PSI, and if it’s lower you’ll need a permeate pump. In size, this system measures 16”W x 5.2”D x 17.5”H, with a weight of 25 lbs.

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Pros

  • Simply DIY installation takes 4 hrs or less
  • American company with USA made parts
  • Comes with its own faucet
  • Can be installed under the sink or in the basement
  • All parts included, plus plumber’s tape
  • Drastic reduction in TDS ppm solids

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Cons

  • Recommended to buy a permeate pump to increase water pressure
  • Replace 3 bottom filters every 6 months
  • No re-mineralizing filter to add calcium back in

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The Bottom Line

While this APEC 5-Stage Reverse Osmosis System is large and takes up a lot of space under your sink, it produces 50 gallons per day of pure drinking water. It’s great for those who’ve never had a RO system before.

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6. APEC Top Tier Alkaline Mineral pH+ 6-Stage Ultra Safe Reverse Osmosis Drinking Water Filter System

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The Rundown

APEC Water (Advanced Purification Engineering Corp.) is the “leading manufacturer of residential reverse osmosis water filtration systems”. They’re based in City of Industry, California, and were established in 1995.

We’ve featured three of their units on this best reverse osmosis system article, and with good cause: they’re excellent. This is the 6-Stage unit, which gives you 75 gallons per day of ultra filtered and remineralized reverse osmosis water. It has all the benefits of the 5-stage above, but with the added pH+ remineralizing calcium filter, which puts calcium carbonate back into your water to increase its alkalinity. The system was designed, engineered, and put together in the US, made from high caliber components like color-coded John Guest tubing, great filters, and all the parts you need for assembly by yourself. It removes 99% of 1000 known contaminants and produces excellent tasting water.

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Specifications

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This APEC 6-Stage Reverse Osmosis System comes with six filters, and requires a feed water pressure between 40 and 85 PSI. The temperature should be between 40 and 100 degrees. You can register the 2 year warranty. In size, the unit measures 16”W x 5.2”D x 17.5”H, with a weight of 25 lbs.

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Pros

  • Complete 6-stage filtering system for cleansing and remineralization
  • Can be installed yourself in your home
  • Comes with all parts, tubing, and fittings
  • Faucet included
  • Has extruded carbon block filters to remove chlorine and bad tastes
  • Gives you 75 gallons per day of water

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Cons

  • Bulky and takes up space under the sink
  • Requires filter changes every 6 months
  • Top of tank valve is plastic and has to be screwed on tightly

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The Bottom Line

This APEC 6-Stage Reverse Osmosis System is best for those who are impressed with the 5-Stage model, but want the mineral taste and mineral content in their water. Adding that sixth step makes this one of the best reverse osmosis systems.

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7. iSpring RCC7 High Capacity 5-Stage Reverse Osmosis Drinking Water Filtration System

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The Rundown

iSpring was founded in Alpharetta, Georgia, in 2005 and is a family owned company. They specialize in reverse osmosis water filtration systems. They have a great product line that covers both residential and commercial units.

If you’ve fallen in love with the iSpring 6-Stage Reverse Osmosis System, but don’t need the remineralization filter, then this model is perfect for you. Not all of us like mineral water, so this model does all of the in-depth cleaning and contaminant removal, but without adding calcium or magnesium back into the water. The five stages remove sediment, chemicals, bacteria, viruses, chlorine, and bad odors. This great unit is made in the USA, fits under your sink or in the basement, and can be installed quickly. It comes with a faucet, the five filters, a 3.2 gallon tank, a water detector for metals, and top notch fittings and tubings for leak free installation. You also get spare parts, too.

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Specifications

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This iSpring RCC7AK 6-Stage Reverse Osmosis System comes with a 1-year warranty, and it produces 75 GPD of filtered water, with 3 gallons waste water to 1 gallon filtered. You have to have a minimum water pressure of 45 PSI to maximum 70 PSI, with a water temperature range between 40 and 100 degrees Fahrenheit. Its maximum TDS is 750 ppm. In size, it measures 14.5”W x 5.2”D x 17.5”H, and it weighs about 25 lbs.

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Pros

  • Removes up to 99% of over 1000 contaminants
  • Five filtering stages create ‘scrubbed’ water you can taste
  • Made in the USA by an American company
  • WQA Gold Seal certified for purity and cleanliness
  • Can install yourself in an afternoon
  • Great for families to have fresh drinking water

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Cons

  • Filters need to be changed regularly
  • Bulky, heavy, and takes up a lot of space
  • Confusing installation instructions

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The Bottom Line

For those of you looking for an exceptional reverse osmosis system that gives you 75 gallons per day of ultra fresh water, this model from iSpring has got you covered. It’s ideal for many living situations, including condos, apartments, and homes.

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8. iSpring RCC1UP-AK 7-Stage Maximum Performance Reverse Osmosis Drinking Water Filtration System

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The Rundown

Founded in Alpharetta, Georgia in 2005, iSpring is a family owned company. They specialize in reverse osmosis water filtration systems. They have a great product line that covers both residential and commercial units.

The third iSpring unit on our best reverse osmosis system article, this exceptional iSpring 7-Stage Reverse Osmosis System is part of the company’s Maximum Performance line, boosting speed, efficiency, and drainage. You’ll get 100 gallons per day of filtered water, the most of any in its class. It comes with a booster pump that increases the water pressure up to 80 PSI, making the reverse osmosis water production that much faster. In total, this system filters over 1000 water pollutants and contaminants. The seven filters not only take care of standard chemicals, but you also get an alkaline remineralization filter to add back in ionized minerals and an 11W UV sterilizer filter that destroys viruses and bacteria.

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Specifications

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Besides the astronomical output of 100 gallons per day, this iSpring 7-Stage Reverse Osmosis System is boosted to 80 PSI for the water pressure. The membrane filters water down to 0.0001 microns. It comes with a 1-year warranty. The system itself measures 19”H x 14.5”W x 5.25”D, with the 3.2 gallon tank measuring 16”H x 11” in diameter. The weight is 33 lbs.

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Pros

  • Gives you 100 gallons a day of ultra pure water
  • WQA Gold Seal Certified, made in the USA
  • Comes with UV filter to break down microorganisms at the cellular level
  • iSpring flow sensor turns UV light off or on automatically
  • Helps raise lower pH water through re-mineralization
  • Comes with all the tubing, fitting, and faucet you need

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Cons

  • Booster pump is loud and can be distracting
  • Confusing and incomplete installation instructions
  • Lots of connections equals prone to leaks

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The Bottom Line

This iSpring 7-Stage Reverse Osmosis System would be one of the best for homeowners or renters who use a lot of water and have to deal with well water or water that is particularly bad-tasting. It’s a workhorse model that uses extra filters to produce a voluminous amount of fresh water.

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9. Olympia Water Systems OROS-50 5-Stage Reverse Osmosis Water Filtration System

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The Rundown

Olympia Water Systems offers several different reverse osmosis systems that come with different amounts of filters, filter replacement kits, and both parts and accessories. That being said, the OROS-50 is the only unit of theirs to make our best reverse osmosis system list. The company is based out of Phoenix, Arizona.

Certified by the NSF (National Sanitary Foundation) and top rated, you get five excellent filtering stages in this reverse osmosis system from Olympia Water Systems. This unit both purifies and cleans both tap water and well water to produce bottled water quality H2O directly from the included faucet. You can install this yourself with the easy installation instructions, and it fits either under a sink or in your basement. The five filters remove sediment, volatile organic compounds (VOCs), chemicals, pesticides, and heavy metals. You’ll also like the Post Carbon filter, which reduces chlorine, tastes, and odors. As with other reverse osmosis systems, you will need to replace the filters regularly. The bottom three filters will be every 6-12 months, while the RO Membrane and Post Carbon filters will be about every 2-3 years.

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Specifications

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With this Olympia Water 5-Stage Reverse Osmosis System, you’ll get 50 GPD of filtered, pure water. It has a 1-year warranty. You’ll need to have an operating water pressure between 50 PSI and 100 PSI, as well as a feed water temperature between 40 and 100 degrees Fahrenheit. It requires 16”W x 7”D x 20”H for the system unit and 18”H x 12” in diameter for the tank. The overall weight is 25.4 lbs.

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Pros

  • Comes with 5 filters and large storage water tank
  • Filters out plenty of harmful contaminants and microorganisms
  • Easy self installation, with no plumber needed
  • Chrome finish swivel spout faucet included
  • Has five feet of 4-color ¼” tubing for quick connect fittings
  • Comes with drain saddle valve and Teflon tape

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Cons

  • This reverse osmosis system is made in China
    Not as sturdy or durable as other brands
    Fittings aren’t as high quality, so leakage is possible

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The Bottom Line

For renters and homeowners looking for their first 5-stage reverse osmosis system on a budget, this Olympia Water Systems model is a great beginner’s choice. It’s a great short-term solution for bad water, and the excellent installation instructions mean that getting it set up and running is a breeze.

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10. Global Water RO-505 5-Stage Reverse Osmosis System Water

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The Rundown

Global Water Solutions is a versatile company offering a full range of pre-pressurized diaphragm tanks and components for both residential and commercial uses. They have a US office in Randolph, Massachusetts, but also have warehouses and offices in Taiwan, China, Luxembourg, Italy, Turkey, Spain, and many other countries.

This RO-505 5-Stage Reverse Osmosis System is one of the best on the market and the only unit from Global Water to make our reverse osmosis system reviews post. and certainly the most affordable for those on a budget. It filters out over 1000 water contaminants and pollutants through its five step filtering process. The first stage removes sediment, the second stage removes chlorine and smells, the third removes cloudiness and bad tastes, the fourth removes heavy metals, and the fifth removes any lingering odors and tastes. You’re just left with delicious, amazing tasting water. The 100% lead free faucet and steel tank comply with both NSF and ANSI standards. The coconut shell and carbon block filters are very effective. You also get all the tubing and quick connect fittings you need, and you don’t need a plumber to install this system yourself. Leakage is prevented through double-O rings, and it has an automatic shut-off valve. With a small size, this is ideal for little kitchens.

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Specifications

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You’ll get up to 50 GPD of pure, bottled water quality from this reverse osmosis system. It has a 1 year warranty. Its best with an overall water pressure between 40 PSI and 80 PSI, with a water temperature between 40 degrees and 80 degrees Fahrenheit. In size, the tank is 3.2 gallons and the filter unit system measures 14”W x 5”D x 16”H, with a weight of just 17 lbs.

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Pros

  • Smallest and least bulky reverse osmosis system model
  • Great for apartments, condos, and small homes where space is an issue
  • Comes with a 3.2 gallon tank for water storage
  • Filters are small and easy to change
  • Water comes out tasting incredibly pure and better than bottled water
  • You can install this yourself

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Cons

  • All five filters need replacements on a regular basis
  • Reverse osmosis system made in China
  • Produces 4 gallons of waste water for every 1.5 filtered gallons

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The Bottom Line

Low on both space and cash? Then this Global Water 5-Stage Reverse Osmosis System is for you. It’s small, lightweight, can be installed yourself with the included instructions, and it comes with all the parts you need, at a low price.

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Best Reverse Osmosis System Reviews Buyer’s Guide

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Now, you’ve had a chance to read through the top ten reverse osmosis systems on the market. There are quite a few of these units on the market, and each of them offers its own range of features and benefits. When comparison shopping for a reverse osmosis system, there are five main factors to keep in mind.

Ease of Installation

Most of these reverse osmosis systems can be installed yourself, without the need or aid of a plumber. With each unit, you get complete installation instructions, as well as customer service from the manufacturer. Expect to break out the power tools so you can drill holes in your countertops and under the sink. You’ll also need to purchase plumber’s tape and possibly plumber’s putty. Some of these units come with Teflon tape, and it’s advised that you wrap the points of contact at least seven to eight times.

As a rough estimate, installation takes between two and five hours. Don’t forget to shut off your house’s water, or at least have plenty of towels handy during installation. Read through the complete instructions before installation (which can often be found on the brand’s website or their product page). Leaks are common and expected. Some systems also need time to ‘break in’ before they are working properly, so you might not have great water production for the first several days.

You have the option of installing your unit under a sink or in the basement. Each unit is slightly different in size, so take careful measurements before ordering to make sure it fits. These units are bulky and take up plenty of space.

You can also set up your reverse osmosis system to hook up to your refrigerator for pure water and ice. Some brands have kits you can purchase for this purpose.

When comparing the different units on the market, be sure to look into the process of maintaining each reverse osmosis system, such as filter replacement.

Filter Cleansing Stages

These units filter your water in stages. Each reverse osmosis system filters water a little differently, using a different combination of filters and tubing. These high quality filters filter out a certain category of contaminants within their multiple cleansing stages. Some filters have carbon blocks to remove chlorine, while others are designed for remineralization to add back in the good minerals like calcium. Some systems have only 5 stages of cleansing, while others go as high as 9 stages. UV filters use actual ultraviolet light to destroy bacteria and other organic material at the DNA level. Not all these reverse osmosis systems have remineralizing or UV filters. In general, the more filtering stages, the cleaner your water. These filters were designed to remove up to 99% of 1000 or more contaminants. So, check each filter in the system product description to see what they filter.

The 5-stage systems do not offer remineralization filters, which some customers prefer. If you like the taste of mineral water, especially from popular bottled mineral water brands, then look for at least a 6-stage reverse osmosis system. Expect to pay more for the systems that offer more filters.

Filter Replacements

Those filters do the tough job of removing contaminants, so they get dirty quickly. Very dirty! What was once a white filter will turn brown and gross over time. Reverse osmosis systems require frequent filter replacements. How frequent depends both on the filter design itself, as well as the manufacturer recommendations. Expect to replace some filters annually, like the sediment and carbon block filters. Others might need to be replaced between every three to five years. Filter replacing can get expensive, especially when you have to purchase both the filter and the filter housing. Each manufacturer also has slightly different instructions on how to replace filters. Each brand should be able to offer their own specific filters that you purchase each year. You want a unit where the filter replacement is relatively inexpensive and easy to do yourself.

While yes, it is costly to replace filters, satisfied customers actually save money using a reverse osmosis system, since they’re not purchasing bottled water all the time. Also, you get great peace of mind knowing your system is removing all of those chemicals, pollutants, microorganisms, and contaminants.

Tubing and Fittings

Filtering water is one thing, but physically transporting that water from the filters to your faucet requires exceptionally well made tubing and fittings. Just as with other plumbing fixtures like toilets and sinks, you want high quality parts. When comparison shopping for reverse osmosis systems, pay attention to how the fittings are constructed and how wide the tubing is. Wider tubing equals better faucet flow. Higher quality fittings equal less leaks, because the grips and seals fit seamlessly together.

It’s also not a coincidence that the best reverse osmosis systems are made in the USA. The parts quality control is just that much higher. You’re looking for color coordinated tubing that will easily help you connect the filters to the storage tank and to the reverse osmosis faucet. Some brands even offer spare parts, so that you don’t need to run to the hardware store in case a part breaks.

Since you also replace filters, it’s essential that filter fittings are well designed and constructed. Many of these reverse osmosis systems offer quick connect fittings, so that you can easily remove the filter to replace it and then snap it right back in.

Overall Water Quality

Your new reverse osmosis system won’t be doing its job properly if you don’t like the end result. How do you know you’ve gotten the best and purest water possible? You’re advised to purchase a TDS meter, which measures the total dissolved solids. Before installing a reverse osmosis system, the tap water quality is usually between 300 and 400 TDS. After, it can get as low as 6 TDS! That’s not just a result you can see, but one you can taste. Customers are amazed at the difference. No more lime scaling, cloudy ice cubes, bitter glasses of water, or buying filter pitchers.

All of these systems use high quality filters and the latest in water purification technology to keep those heavy metals, pollutants, toxins, and chemicals out of your tap water. This means that, when you turn on the tap in your own home, it’s giving you mineral water that tastes just as amazing as what you’d buy in a store. It’s just better for you, your family, pets, and everything else you use water for.

Our Top Pick

After reviewing the five criteria above – ease of installation, the filter cleansing stages, filter replacements, tubing and fitting, and overall water quality, the clear winner stands out. We recommend the Home Master TMHP HydroPerfection Undersink Reverse Osmosis Water Filter System for your household. We’re sold on not just the 9 stages of filtering, but also how simple and inexpensive it is to replace the filters. You’re going to have this reverse osmosis system for a long time, and this one gives you the most satisfaction for the entire length of time you’ll own it.

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