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Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
5" top door/vent (1
Allows for bigger
Large 12" twist lid
More than just a tool
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 5" top door/vent (1Grodan 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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