Grodan Macro Plug Round with Slit, Bag of 50. Macro plugs 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 with these Macro plugs 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.

Product Features

  • Fifty (50) Grodan Rockwool Macro plugs, round with slit, 1.5″ across
  • Grodan Rockwool provides an ideal media for seedling or cutting root growth
  • Macro plugs have a slit along the side that allows for easy insertion of cuttings
  • Perfectly fits into the Grodan Gro-Block hole for easy transplanting
  • Use with a tray with individual cells to ensure the macro plug stays closed around the cutting

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