Commercial Grade Rockwool Cubes Hydroponics Propagation Grow Medium 36x36x40mm Bottom Split (98 pcs) root system development By providing a reservoir for

Commercial Grade Rockwool Cubes Hydroponics Propagation Grow Medium 36x36x40mm Bottom Split (98 pcs) root system development By providing a reservoir forRockwool Cubes Bottom Split 36 x 36 x 40 mm (98 pcs sheet) Rockwool cubes are growing mediums for hydroponics for their low cost, water retention, aeration, user friendliness etc. advantages over other growing mediums such as peat soil sponge, normal sponge, coco coir, clay balls. FEATURES low cost for commercial and home growers easy to use, can incorporate with rock wool blocks and slabs for bigger and climbing plants optimal water absorption and

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