Bannerman
Well-Known Member
No, Katalox is often used with no additional oxidizer depending on the amount of oxygen contained in the water. As your well is shallow, I expect it will contain enough oxygen to assist the KL to remove the low levels of iron, manganese and H2S that you report.
Your Hardness at 390 / 17.1 = 22.8 gpg. A big box brand softener is often false economy due to reduced longevity and premature service requirements.
You likely would have been better to restore the operation of the existing 2 cuft softener.
As an alternative to KL, a simple chlorine system for the H2S which will also oxidize the iron and manganese. A back washing carbon filter will remove the oxidized solids as well as the chlorine and byproducts.
