Whats the real optimum PH?
This is very confusing to me, I saw a ph chart that says optimum PH is 5.8, the advanced nutrients website says optimum is 5.6, and the overgrow faq on this site says optimum is 5.2..
5.2 ph is 60% more acidic than 5.8 so that is a big difference to plants.. What is the optimum it seems like there are different opinions here...
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