Grodan Stonewool MacroPlugs Size:50 Plugs/Bag (Single Bag) single-celled algae and other mineral

single-celled algae and other mineral nutrients that help generate robust root growth while maintaining a strong rhizosphere

Store closed in original packaging at a temperature between 45° F and 85° F

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What do you get when you take two of the top lighting manufacturers and innovators in the industry and put their heads together to create a new LED

Grodan Stonewool MacroPlugs Size:50 Plugs/Bag (Single Bag) single-celled algae and other mineralMacroPlugs 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.