Maximum Yield USA 2015 November | Page 132

TIPS & TRICKS stop! Alright Calibrate and listen by Matt LeBannister Now more than ever, growers are taking advantage of the affordable, techie gadgets being made available to them. These days, one such gadget, the pH pen, is practically required by growers who are looking to dial in the proper nutrient levels of their hydroponic nutient solutions. But for the tools to do what they are supposed to do, a bit of calibration is required. Let’s get to it. 130 Maximum Yield USA  |  November 2015 pH