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Shaman · #12 (**permalink**) 01-07-2007, 05:02 AM

I know that I should, but I don't have a pH meter. Are they actually useful? I've already spent hundreds on my grow setup and cannot really afford to spend a whole lot more.

#12 (permalink) 01-07-2007, 05:02 AM
Shaman Registered User Join Date: Dec 2006 Posts: 128	I know that I should, but I don't have a pH meter. Are they actually useful? I've already spent hundreds on my grow setup and cannot really afford to spend a whole lot more.