RO-PH90 – Ultimate Alkaline Mineral 90 GPD 6-Stage High Output Reverse Osmosis Drinking Water System

  • Top Tier Alkaline Pure Drinking Water System

  • Refreshing, Crisp Taste Superior to Bottled Water

  • 100% US Made High Purity Calcium Carbonate to Safely Raise pH

  • Systems built with Super Long Lasting US MADE Filters Made in USA

  • The Most Durable System Lasts for Many Years

  • Lifetime Support by Team of WQA Certified Water Specialist

  • $140 in System savings + Discounted Upgrades!(Expires )

  • Listed Price:$460.00
  • Total Saving:$140.05
  • Sales Price:$319.95

Options & Upgrades

Easily connect your RO system to any fridge or ice-make
Learn More »

Designer Faucet Upgrade
Different Styles/Colors option »

High capacity water holding tank is great for larger families and homes
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Hand-held water meter tests water quality & system performance. Save $20 OFF. Learn More »

For additional protection against microbial water contamination.
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Stages 1-3 and 6 replacement filters for 2nd year service. Save $14 OFF. Learn More »

If you are referred by our customer, please enter their name here
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*If need voltage of 100v or 220v, please contact APEC sales directly at 1800-880-4808.




      Healthy, Great Tasting, Ultra-Pure Drinking Water

      Right from your kitchen tap! This complete water filter will produce an unlimited supply of bottled-quality drinking water while removing any chlorine, unpleasant tastes, odors, and up to 99% of harmful contaminants to produce clean and refreshing water that everyone will enjoy. This will improve the flavor of coffee, tea, and ice cubes—everything tastes better with RO water!

      WQA Certified

      WQA Certified to the Highest Quality & Performance

      Our reverse osmosis system have been tested and proven to deliver the finest filtration and durability. This certification establishes that systems are assembled soundly from safe materials and guarantee the highest contaminant rejection. Your health will never be compromised with an RO-90 system.

      System Rejection

      pH+ Alkaline Re-Mineralizing Calcium Filter

      Add 100% US-Made high-purity calcium carbonate to effectively raise pH in the water for those who desire alkaline water.

      Clean Water

      Highest Quality & Competitive Performance to Match

      Assembled with the same expertise as our most popular RO-90 systems, RO-PH90 offers the reassurance of premium quality components and the highest level of contaminant rejection. Enjoy worry-free comfort knowing your health will never be compromised with our RO-PH90 system.

      System Rejection

      20 Years Experience. Designed, Engineered and Assembled In The USA

      APEC has 20 years of successful experience in creating the finest water filtration systems from our California facility. All APEC reverse osmosis systems are designed, engineered, assembled, and tested in-house using high-quality parts to ensure that a trouble-free system arrives at your door. Our superior engineering, design expertise, and attention to details have earned our products the distinction of being the most durable water-filtration systems on the market.

      Proudly Built in USA


      Super Capacity Premium Filters for 2X Longer Life

      RO-PH90 uses only top-rated, US-made filters, like the industry leader Dow Filmtec membrane, resulting in complete water purification not available from basic filters. Our super-capacity filters deliver 2X the capacity AND service life of other brands, while the membrane provides the highest rejection capability and durability. Enjoy the longest-lasting performance and low maintenance with these industry-leading filters!

      2X Super Capacity Filters


      Stringent Quality Control Process = Peace of Mind

      systems are put through a rigorous multi-point quality control process to eliminate even the slightest component imperfections. This system will provide you with the ultimate satisfaction and peace of mind with reliable operation that is free from noises, leaks, and clogs.

      Attention to Details


      Easy Do-it-yourself Installation & Maintenance

      RO-PH90 is made with simple installation and maintenance in mind. It is equipped with John Guest quick-connection fittings and colored tubing, which makes system installation and maintenance extremely fast and easy.


      Fully Automated

      Fully automated system will effectively treat tap, well, and hard water at variable water pressures with extreme pH and hardness levels.

      Universal Standard

      System uses industry standard parts and components, which makes finding and replacing any part or filters on the unit simple and cost-effective.

      Easy Installation

      Easy to install and low maintenance: save homeowners up to $1,029 or more a year + time and hassle from buying costly, heavy bottled water

      Fully Upgradeable

      Fully scalable and upgradeable making it a great investment for a growing family

      Referral Program

      Referral program pays big, so you can have “free drinking water” forever!

      Click Here to Learn More...

    Performance & Specification

      High Performance 6 Stage System Components:

      1st stage

      High-Grade high-capacity polypropylene sediment filter —removes dust, particles, and rust. Protects and extends the life of the membrane and system. US Made. (order info.)

      2nd Stage

      Premium Extruded Carbon Block —gets rid of unpleasant chlorine, tastes, odors, cloudiness and colors. Also removes VOCs and other common chemicals from the water. US Made. (order info.)

      3rd Stage

      Premium Extruded Carbon Block —gets rid of unpleasant chlorine, tastes, odors, cloudiness and colors. Also removes VOCs and other common chemicals from the water. US Made. (order info.)

      4th Stage

      Select FILMTEC (Dow Chemical) High Rejection TFC reverse osmosis membrane. Removes up to 99% of total dissolved solids (TDS) and contaminants such as arsenic, lead, fluoride, chromium, radium, bacteria, viruses and much more. US Made. (order info.)

      5th Stage

      Advanced Coconut Shell Refining Carbon 10" — TCR (Total Contamination Removal) filter removes any possible residual taste from the tank. US Made. (order info.)

      6th Stage

      Calcite Acidic Water Neutralizer 10" - adds calcium carbonate to increase water alkalinity. (order info.)

      RO System Components

      Standard with system: John Guest Quick-Connect fittings; stainless steel check valve; clog-free flow restrictor; 5 feet of food grade tubing & versatile 1/2” to 3/8” feed water adapters. High quality lead-free faucet & 4 gallon pressurized tank also included.

      Complete Installation Hardware

      Wrench, tank ball valve, feed water valve, drain saddle, inserts, Teflon tape, and manuals. Ice-maker kit option is available at checkout


      Specifications & Dimensions:

      System Capacity:

      90 gallons per day @ 60 psi, 75 gallons/day @50 psi and 77 deg F

      Tank Size:

      4 gallons. 14 gallons optional

      Tank Dimensions:

      11" x 11" x 15" (4 gal tank). 16" x 16" x 25" (14 gal tank)

      Feed Water Pressure:

      40-85 psi

      Feed Water Temperature:

      40-100 deg F

      Max Total Dissolved Solids:

      2000 ppm

      System Dimensions:

      16"w x 5.25"d x 17.5"h

      Feed Water pH:

      2.0 -11.0

      System Package Weight:

      27 lbs
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