Manganese in Your Well Water
Manganese (Mn) is a substance that is not very prevalent in most well water but every once in a while you’ll run across a well that does have manganese in it.
Manganese will wreak havoc on most filter media out there if it’s high enough and it’s difficult to remove in comparison to removing iron.
It would cause issues in your house, generally, the toilet bowl. It will leave a black stain, usually, a black ring where water level sets in the toilet bowl.
Also, in areas where you’re using hot water such as the dishwasher and laundry. You’ll get some black stains if the manganese is high enough.
Treating Manganese
Now, 1 part per million (ppm) or mg/L of manganese is pretty high. A water softener using fine mesh resin will remove up to 1 ppm mg/L of manganese. Anything over that, you would have to use an iron filter.
We would recommend the Katalox Iron Master AIO Filter for that, coupled with a water softener to polish it off. Besides that, if the manganese gets in the upper levels of more than 5 PPM, then in some cases, you would want to use a chemical feed system.
Use the chemical feed pump with a minimum of a 120-gallon fiberglass retention tank. This should allow the water to feed about 3 inches off the bottom of the tank and push out the top before it goes into the Iron Master Katalox filter, a backwashing Catalytic carbon filter to remove chlorine and a water softener using fine mesh resin to remove remaining balance of manganese, iron and hardness minerals.
And if there’s iron present, a quality Katalox iron filter will also remove that as well. A comprehensive well system in this case should include a Katalox iron filter along with a water softener, and perhaps another filter depending on your quality water report.
Article credit : Quality Water Treatment
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