Grow Talk 588 Powdery Mildew, Predators For Whiteflys, Reading NPK & High PH Irrigation Water

The Dude & Scotty Real Are Hanging Out This Afternoon And Answering Your Grow Questions Like Is Powdery Mildew Systemic, What Predators To Use For Whiteflys, Reading NPK On Packaging & The Effects Of High pH Irrigation Water On Todays Episode Of Grow Talk