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Old 07-04-2009, 09:01 AM   #2
Allglad
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I would check PH & PPM. Then decide.

I am no way near good with non-soil hydro, but unless you have crazy readings I would lean to the chiller. PPM and PH can be adjusted much easier than water temp without a chiller.
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If I am unsure what to do or just want to refresh my knowledege, I try to look at my copy of the Growers Bible by Jorge Cervantes, or look at a partial copy of it online at link I just provided.
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