foolsgold
Well-Known Member
Hey...Ive been using a bottle of ph down i bought from a hydroponics store and it is about to run out...problem is this the store is about 3.5 hours from my place....however at a local hot tub store they do sell ph up and ph down...what im wondering is does this ph down have differnt chemicals or ingredients the may harm the plants tin a way the ph down i bought at a hydro store wouldn't?