Tap Water Problems
Chloramine in city water does not gas off like chlorine and it slowly wipes out the beneficial microbes that living soil CBD grows depend on. Hard water is a separate issue, since the calcium and magnesium already in it push the EC up before any nutrients go in. How to read a municipal water report and what to adjust for is explained on https://calmcbdseeds.com in plain terms. A cheap carbon filter on the hose sorted the chloramine for me, and I now feed at lower strength.