US Water pH Balancing Backwashing Filter System

Sku: 089-FSF

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Regular Price: $1,658.00
Sale Price: $995.00
Out of stock

The US Water Fusion Superfilter pH Balancing Backwashing Calcite Neutralizer System designed to raise the pH of the water supply

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Product Description

Product Description


Fusion Superfilter Professional-Grade Backwashing Calcite Neutralizer Filter For Whole House

The Fusion Superfilter Professial-Grade Calcite Neutralizer Filter is designed to raise the pH of the water in cases of low pH (acid water conditions).  It also adds some calcium hardness back to the water, and only requires periodic backwashing.

Fusion Superfilter Neutralizer System is designed to raise the pH of the water supply

Many areas of the country have water with low pH. A low pH means that the water is acidic and can corrode copper pipes and cause blue-green stains on plumbing fixtures in your home. The Fusion Superfilter backwashing acid neutralizer system is designed to normalize the acid balance of your water supply. It does this by using Calcite, which is crushed and screened white marble limestone or Magnesium Oxide.   If your pH is below 5.8 then we utilize a blend of Calcite and Magnesium Oxide.   Calcite and Magnesium Oxide will increase hardness in the water and a water softener may become necessary after the neutralizing filter.

Calcite is a crushed and screened white marble media which can inexpensively be used to neutralize acidic or low pH waters to be neutral and non-corrosive


Calcite is a naturally occurring calcium carbonate media.  One of the advantages of Calcite is its self-limiting property.  When properly applied, it corrects pH only enough to reach a non-corrosive equilibrium.  It does not over-correct under normal conditions.  Upon contact with calcite, acidic waters slowly dissolve the calcium carbonate to raise the pH which reduces potential leaching of copper, lead and other metals found in typical plumbing systems. 

Periodic backwashing will prevent packing, reclassify the bed and maintain high service rates.  Depending on pH, water chemistry and service flow, the Calcite/magnesium oxide bed will have to be periodically replenished as the calcite is depleted.  As the calcite's calcium carbonate neutralizes the water, it will increase hardness and a softener may become necessary after the neutralizing filter.

A side benefit you can receive with a neutralizer filter is that if your water contains significant amounts of iron (rust), the media can help correct  this by neutralizing the free carbon dioxide in the water.   In many situations, the Fusion Superfilter Neutralizer will reduce the iron dramatically enough that it can be removed by an ion-exchange softener.

The Fusion Superfilter Neutralizer is a fully automatic backwashing filtration system. It uses all NSF and FDA approved components, including the Calcite or Magnesium Oxide.   The electronic computer control cleans the media of accumulated contaminants while delivering pH adjusted, fresh water throughout your home.

The electronic control center is easy to set and once set, you never have to set it again (except for DST).  The FUSION Neutralizer system incorporates an automatic backwash which removes accumulated contaminants and automatically backwashes the filtration media.  This eliminate pressure drop and keeps the media in top condition. 

Note:  If your pH is below 5.0, you need to consider utilizing a proportional pH Neutralizing System ( that does not use calcite, but rather uses soda ash to raise the pH (which coincidentally also doesn’t add hardness).

Low pH? Blue stains from acid water?  Are pin-hole leaks threatening to destroy your house with expensive leaks?

  • Now you can eliminate corrosion of copper and galvanized pipes, fixtures & appliances.
  • Stop pin-hole leaks.
  • Stop blue green stains on fixtures!
  • Professional quality acid neutralizer system comes complete with:  Calcite media if your pH is 5.8 to 6.9  or Calcite-Magnesium Oxide media if your pH is less than 5.8. 
  • When ordering, please note what your pH level is so that we can use the right blend of calcite - use the comments box in shopping cart.
  • If you need higher flow rates than the above units, we suggest manifolding two of these in parallel.


  • Our tanks have fill ports at the top of the tank so that you do not have to disconnect the control valve when adding media.
  • Our tanks are transparent so that you see the level of Calcite, so as to know when to replace it.
  • Electronic controller has only one internal moving part - simple to set. 
  • No complicated programs.
  • Includes built-in bypass valve
  • Translucent tank allows you to shine a light on the tank to determine the media level.
  • 12 Volt Electrical system uses less than $2.00 electricity per year
  • No danger of electrical shock
  • Extremely user friendly
  • Low maintenance due to automatic operation
  • Calcite is easily replaced by unscrewing valve
  • Lifetime Tank Warranty – 7-Years on Valve & Electronics

Not sure what size filter you need?  Bigger is usually better but remember, a system should be sized according to flow rate that is available for backwashing.  A system must be backwashed at the specified flow rate to ensure it is flushed properly.

089-FSF-150-CAL 10 GPM 5 GPM 10" X 54" 1.5 cu/ft
089-FSF-250-CAL 20 GPM 11 GPM 13" X 54" 2.5 cu/ft

Water Temperature - Minimum of 39˚F, Maximum of 100˚F  |  Water Pressure - Minimum of 20 psi, Maximum of 125 psi

Press and hold the Manual and Settings buttons for 3-5 seconds
Languge English
Units Gallons
Vac Mode Off
Press and hold the Up and Down Arrows for 3-5 seconds
Valve Mode B.W. Filter
BW 10
RR 10
Press and hold the Settings button for 3-5 seconds
Time of Day and Date Set by Customer
Regen Days 3
Gallons Off
Regen Times Set by Customer

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Additional Information

Additional Information

Availability Out Of Stock
Manufacturer US Water Systems
Filter Type Calcite
Media Tank Size Refer to specifications
Warranty Tank: Lifetime
Valve & Electronics: 7 Years

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Ratings & Reviews

Ratings & Reviews

  • 4/23/2014

    I have to congratulate you on such an effective design. The control is compact and easy to program and the fill-port is a stroke of genius. On my old neutralizer I had to disconnect the plumbing and un-screw the head to add calcite. This is such a better idea and I can shine a light on the back side of the tank and see what the level of the calcite is.

    By on

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Product FAQs

Product FAQs

  • Is this a "downflow" system?

    Yes, all backwashing systems are.

  • Does the Media need to be changed and if so how often?

    It does not have to be replaced.  It is consumed in the treatment process and has to be added to.