Go to a hydro store... they sell a PH kit.. usually includes...

tester and PH UP, PH DOWN

cost about $16..


BTW- not a dumb question : )
Garden Knowm Reviewed by Garden Knowm on . Dumb Q. Where do I get Ph balace? I've read about it, 2 big nurseries I've been to don't carry it and one old lady lady looked at me like I was nuts! Where do I get ph up and down for my water? Is this the same stuff they sell in a fish store? Rating: 5