Grodan® MACROPLUGS, Round 1.5" | Pack of 50
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GRODAN® Stonewool MacroPlugs
Macroplugs are 1.5" 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 with these Macroplugs always insert them in a tray with individual cells.
The individual cell will make sure the plug stays closed around the stem of your cutting.