Grodan Stonewool Macro Plugs 1.5" with Slit for Cuttings - 1 Case

2000 Plugs per Case

Macro Plugs have a slit that allows easy insertion of a cutting. These loose round plugs fit perfectly into the Gro-Block hole. For best results with these Macro Plugs, always insert them into a tray with individual cells. The individual cell will make sure that the plug stays closed around the stem of your cutting.