Water Expert Andy Ball: Iron in Water
What kinds of Iron could be in my water?There are basically four types of iron found in water, they are:
* Oxidized Iron contains red particles easily visible as the water is drawn from the faucet.
* Soluble or “Clear Water Iron” is very common, and will develop red particles in the water after water is drawn from the faucet, and is exposed to the air for a period of time. The iron particles actually “rust” once they are exposed to air.
* Colloidal Iron consists of extremely small particles of oxidized iron particles suspended in water. This type iron looks more like cloudy, colored water, instead of being able to actually see small red particles of iron. This type iron will not filter well because of the extremely small particle size. (Chlorination may be required).
* Bacterial Iron consists of living organisms found in the water and piping of the well and house. You can tell if you have Bacterial Iron by looking in your toilet flush tank, and finding a reddish/green slime buildup. To confirm this, you should take a sample of this slime to your local health department for testing. This kind of iron is the hardest to get rid of. To completely eliminate this form of bacterial iron requires chlorination of the entire water system, starting with the well casing, well pump, pressure tank and the home plumbing system. (Chlorination may be required).
* Hydrogen Sulfide causes water to have a pungent “rotten egg” odor, and is easily removed using a Manganese Greensand filter.
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