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Ships within 48 hours · Estimated delivery Aug 17 - Aug 22
Large 12" twist lid
Allows for bigger
5" top door/vent (1
Seedlings or cuttings started in the Grodan cubes can also be transplanted into more traditional planters and growing mediums
Grodan Improved Gro-Block Media Amount:64 blocks Large 12" twist lidGrodan 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 tremendous capacity for absorbing nutrient solution while retaining plenty of oxygen
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