I was wondering whats something someone could use at home to lower PH in the potted soil? The PH in my soil is around 7.0. Is that ok or too high still? I heard about using lemon juice. What other things could someone use?
Lime will raise your soil ph. 7.0 is a little high but I wouldn't be concerned if I were you. The ideal ph is 6.5 - 6.8 so that extra .2 in a soil grow isn't going to effect it any.
Also keep in mind, if you didn't already know, nutes will lower ph. For example, I make my own soil-less mix and ph it at 7.5. Then I add my nutes and it drops down to 6.5-6.8.