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Two speed operation
growers usually need to double or triple phosphorous levels
Strengthening beads ensure a stiffer
Comes with built in level for easy
Grodan® Gro-Wool™ Absorbent Granulate
Grodan® Stonewool A-OK 36/40 1.5" Starter Plugs™ Ducting Two speed operationProduct Details Grodan A OK 36 40 1. 5 in x 1. 5 in Plugs (98 Sheet) (30 Sheets Cs) Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different types of fibers. The purpose is to support the requirement of the plant in the different plant stages. Grodan has a
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