Acid Water

Acid Water Neutralizer Filters


On private water systems, one of the most common causes of corrosion is from low pH (acidic - less than 7.0 pH) waters. Signs of acid water are corrosion of fixtures, blue staining (from copper pipes) or rust staining (from iron pipes).

Often these waters can be of high quality and are low in buffering calcium minerals, but are high in dissolved carbon-dioxide gas, which can cause the low pH or acidity. Treatment is accomplished by neutralizing the water with the use of an automatic neutralizer. These water filter tanks are filled with a blend of calcium and magnesium carbonates made from naturally occurring minerals, which dissolve into the water, making it less corrosive. Periodically, (once or twice a year for a typical residential application) more mineral is added to the filter tank.

In some cases, instead of dissolved carbon dioxide causing the low pH or acidity, the acidity is caused by mineral acids, either natural or from mining or other industrial wastes. Often the pH is very low, less than 5.0. Treating this type of water requires injection of soda ash or sodium hydroxide with a metering pump, and generally, the neutralizing type mineral filters decribed above will not work well on this type of water.

If you have acid water (water less than 7.0 pH) and you are on a private water system, such as a well or spring, and you wish our technical staff to quote you a solution, it is important to suppy us with an accurate water analysis. You should also fill out an online technical request form so we can better assist you in recommending a solution.

If you already have some water chemistry data on a specific water, you can use our online Langelier Saturation Index Calculator to see if your water is corrosive or not.