Grodan Stonewool MacroPlugs Options:Grodan MacroPlug Round w/ Slit Bulk (2000/Cs) the heat is contained within

the heat is contained within your hood to be carried away more efficiently by your existing air-cooling system

leafminers

Exclusive Lock & Seal BAREF lamp cord installed

it features a resin cased circuit board with a sealed bearing fan so it will run cooler than any other ballast and it’s been tested to withstand the extreme atmospheric conditions of virtually any growing environment

discard after 3+ weeks

Grodan Stonewool MacroPlugs Options:Grodan MacroPlug Round w/ Slit Bulk (2000/Cs) the heat is contained withinMacroPlugs 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.