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They tanks blowoff in the morning I believe.

Correct, the two iron filters regenerate on opposite days. I should have said potassium carbonate (used raise pH). Residual chlorine out of the retention tank is around 1-3ppm depending upon when I sample. From what I gather, the backwash appears to be complete as increasing backwash times...

Hi reach, Sorry, in my post above I omitted the fact that we already have a 120 gallon retention tank with a timed blow off valve. I edited the post to include this info. One thing I am wondering based upon some water sampling I am doing before and after backwash is whether I need a larger...

Hi all, I have been struggling with very high iron levels. We have ~40ppm ferrous iron in our water. PH 6.4, manganese 1.0 ppm. Currently we have the following system: raw water --> proportional injection of chlorine and pot carb ---> 120 gallon contact tank with blowoff valve --> iron filters...

Thanks for the comments. I guess I am a little confused about the pressure tanks. My understanding is that they are both old school galvanized "air over water" tanks that do not contain any diaphragm as such it is completely necessary to introduce air manually to maintain pressure in these...

I am not sure if there is a bleeder (I dont think there is as I do know when the well company comes they add air to both of the pressure tanks using an air compressor). Picture is below if that helps. Regarding the iron, I definitely realize that I will have rust stains on anything that...

Hi all, We have recently moved into a home with well water. I am interested in having an irrigation system put in to irrigate our lawn (~0.5-0.6 acre) and I believe our well (14gpm recovery) in theory should support this if the system is sized correctly. The challenge comes into play with the...