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BigVanVader · May 4, 2017

Potassium bicarbonate works 100% on PM. I used it last year once and never anymore PM. Just spray everything heavily and everything around to get all spores.

May 4, 2017	#50
BigVanVader Tomatovillian™ Join Date: Mar 2014 Location: Greenville, South Carolina Posts: 3,099	Potassium bicarbonate works 100% on PM. I used it last year once and never anymore PM. Just spray everything heavily and everything around to get all spores.