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Cole_Robbie · November 27, 2018

Osmocote? Regular pro mix is fairly sterile as it is.

Are you measuring ph with a probe? I have never read anything good about the soil probe testers, as far as accuracy.

November 27, 2018	#2
Cole_Robbie Tomatovillian™ Join Date: Jun 2012 Location: Illinois, zone 6 Posts: 8,407	Osmocote? Regular pro mix is fairly sterile as it is. Are you measuring ph with a probe? I have never read anything good about the soil probe testers, as far as accuracy.