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PfrSpec: 1
this is the 3-part base system for you
Thrip and White Fly Killer
A Paenibacillus polymyxa species
Grodan Stonewool MacroPlugs Options:Grodan MacroPlug Round w/ Slit Bulk (2000/Cs) PfrSpec: 1MacroPlugs are 1. 5 in round with a slit that allows easy insertion of a cutting. These loose round plugs fit perfectly into the Gro Block hole. For best results, always insert MacroPlugs in a tray with individual cells. The individual cell will make sure the plug stays closed around the stem of your cutting.
