Its not only me afterall. Found others on a fish forum According to a poster there water that has been PH adjusted does indeed revert back to its orginal PH level over a matter of several hours.
Nothing was mentioned on the instructions of my tester kit, a little note added in would have been handy.
Happy growing everyone
rattlingdags Reviewed by rattlingdags on . Ph altered water reverts back over time? Hi everyone I just have a quick question I wanted to ask since I've searched loads of ph related threads but not come across the answer and I'm curious. I put in my PH down into the tapwater (tapwater is PH 8) that had stood open airing for 24hrs and checked the reading with my little aquarium strip tester - the result was clearly in the 6.5 PH colour. I watered my baby seedlings and then as there was still water left over I continued to use this water over the following days. When I Rating: 5