pH (acid) Neutralizers
My water has been leaving Blue/Green stains. How can I fix this?
Green or blue stains are usually a result of a combination of copper pipe and acidic water. This needs to be treated with an acid neutralizer. We always recommend you have your water tested locally and find out what the ph is and at that point you can get a better idea what filter you may need.
How do I know if my water is acidic?
The telltale signs of acidic water (if you have copper pipe) are blue or green stains in the bottom of your sink or tub. If these appear or if you suspect you have acidic water, then a simple pH test will tell you whether your water is acidic or not. You can get a pH test kit at most any pool supply store. If your water has a pH of less then 7 then it is considered acidic and should be treated.
How do these systems increase the pH level?
These systems operate by passing the acidic water through either the calcite or Corosex mediums which are dissolved into the water balancing out the pH level.
Why does the acid neutralizer increase hardness?
A calcite system uses crushed and screened white marble limestone which is dissolved in the water to neutralize acidic water. The dissolved limestone in the water is responsible for the increase in hardness. A Corosex system uses reactive Magnesia oxide which like calcite is dissolved in the water.
I tested my water and it has a pH of less then 5.3. What can I do?
There are other methods that must be considered such as a chemical metering pump to feed a liquid solution of soda ash or pot ash into the water system. These systems are easy to install, but do need attention.
Acid Neutralizer Filters
Low pH? Blue stains from acid water? Now you can eliminate corrosion of copper and galvanized pipes, fixtures & appliances. Stop pin hole leaks. Stop blue green stains on fixtures!
This combination water neutralizer and filter unit comes complete with:
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Calcite or Calcite-Corosex media blend
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Fleck backwash control valve
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Stainless Steel By-Pass valve included
As untreated water passes through filtration tank, the water comes in contact with Calcite and Corosex which raises the waters pH to become neutral or slightly higher. This is the most common technology to raise pH in residential and light commercial settings.
Backwashes only with water, no additional chemicals needed.
CALCITE MEDIA
Acidic waters on contact with Calcite slowly dissolve the calcium carbonate media to raise the pH which reduces the potential leaching of copper, lead and other metals found in typical plumbing systems. Periodic backwashing will prevent packing and maintain high service rates. Depending on pH and service flow, the Calcite bed will have to be periodically added to as the dissolved calcite depletes.
As the Calcite's calcium carbonate neutralizes the water, it will increase hardness and a softener may become necessary after neutralizing filter.
Advantages:
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High uniformity coefficient for maximum contact for controlled correction
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Slower reacting
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Inexpensive
Physical Properties:
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Color - Near White
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Density - 100 lbs./cu.ft.
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Composition - CaCO3, 95% minimum
MgCO3, 3.0% maximum
Conditions for Operation:
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pH - 5.3 - 6.8 (12" X 48" tank)
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Bed Depth - 24 - 34in.
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Backwash Rate - 5gpm
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Backwash Bed Expansion - 30%
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Service Flow Rate - 13 gpm. invariably give satisfactory results but may be modified in view of local conditions.
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