How To Find Corrosion Control Products

Corrosion is the deterioration of materials, usually metal, due to reactions with the environment. While corrosion can occur anywhere, it is the corrosion of a home's pipes that is the cause for the most concern, as it can lead to the toxicity of a family's water supply.

  1. Before using a corrosion-control method, conduct a test to estimate the degree of corrosiveness. There are a couple of simple ways to determine if your pipes are corrosive. For one, if you see blue-green stains in your sink or the same stains along the joints of the copper piping, corrosion is present. Rust stains will appear when iron corrosion is present. Toilets with blue, green, or rust stains indicate corrosion as well. If the tap water tastes bitter or metallic, corrosion may be the culprit of that, too. Sometimes corrosion also gives off an odor.
  2. Next, try to determine the source of the corrosion. Check if there is unnecessary electrical wiring or appliances connected to the piping. Factors affecting corrosion also include low pH level of the water, high water temperature, galvanic corrosion, the chemical properties of the water running through the pipes, the chemical properties of the soil surrounding the pipes, and the velocity of the water as it runs through the pipe system.
    • If the water has a low pH, that means the water has an acidic nature that can be corrosive to pipes. Install a calcite neutralizer tank or a soda ash feeder to raise the pH level and increase the alkalinity in the water.
    • High temperature hot water may be the culprit of the corrosion. You can remedy this on your own by simply lowering the temperature of the hot water. If you have an electric water heater, lower the thermostat by following the directions on the water heater. If you have a gas water heater, it is recommended that a professional lower the temperature of the hot water for you.
    • The source of the corrosion may be electrolysis, or galvanic corrosion. This occurs when two dissimilar metals are connected directly or indirectly by an electrolyte, such as water. The use of dielectric fittings helps stop the problem, but keep in mind that it does not repair the thin-walled and damaged pipes.
    • Properties of the soil surrounding the pipe can also play a factor in the corrosion of pipes. When this occurs, apply cathodic protection. This is a process through which a proper counter frequency is determined when the flow of electrons between the metal and surrounding soil is evaluated. A small electrical current is then passed through the entire metal piping that counteracts the corrosion.

  3. In addition to attacking the sources of corrosion, there are some preventative measures you can take to ensure that corrosion ceases to plague your pipes.
    • Install a phosphate feeder before the copper piping. Phosphate will coat the piping and reduce the corrosion effects by coating the interior surfaces of the piping with phosphate and causing an insulation surface to be built up.
    • Although it is quite an undertaking, consider replacing copper and iron pipes with CPVC piping.

  4. Finally, whether you reside in a new home or an older home, make it a point to check the corrosion of your pipes every two years.


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