Can I use the ph up and down from petco for aquariums?
smallclosetgrowr Well-Known Member Jun 21, 2011 #2 for lowering your ph or testing your ph ? and the answer is yes u can use that to lower your ph.althought if your looking to test your ph just keep in mind that aquarium ph test come up deff colours compared to the soil tests.
for lowering your ph or testing your ph ? and the answer is yes u can use that to lower your ph.althought if your looking to test your ph just keep in mind that aquarium ph test come up deff colours compared to the soil tests.