M mrkill92 Member Apr 19, 2014 #1 I'm in pharmacy school and have access to sulfuric acid nitric acid boric acid maybe? would any of thes be ok to change my ph better than vinegar?
I'm in pharmacy school and have access to sulfuric acid nitric acid boric acid maybe? would any of thes be ok to change my ph better than vinegar?
CashCrops Well-Known Member Apr 19, 2014 #2 https://www.rollitup.org/t/diy-ph-down-from-sulfuric-acid-battery-acid.375501/
Silky Shagsalot Well-Known Member Apr 19, 2014 #3 so after you add your nutes and supps, you have to use down???
