Indoor Weed Wars EPISODE III "A New Hope" by Vlad the Inhaler

Calibrate then test your tap water, when you mix up your nutes stick the ph pen in the water first, your tap water normally doesn't vary an awful lot, so you can see if your pens drifting out. Simples. (My tap water is normally 7.2 -7.3, if it's outside of that range for a couple of times I'll check the pen).
Good ideal and thanks for that! :d5:
 
Sick of seeing a butt plug everytime I open tapatalk hahahahaha
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