Grodan Stonewool Macro Plugs - 1.5" Round Plugs w/slit for Cuttings (50 per bag) 1 Bag
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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.
