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Rockwool 4x4 SQUARE individually wrapped with hole, Rockwool, IncrediGrow, IncrediGrow - Grow, Cannabis, Microgreens, Fertilizer, Calgary, Airdrie, Quickgrow, Amazing, Ecolighting, Megamass, Monolith Tents, Orchid Society

Grodan - Rockwool 4x4 SQUARE individually wrapped with hole

4x4 Blocks with holes
Rockwool grow cubes
Use for direct sowing or blocking on
The blocks can then be placed on top of a slab to provide for a larger growing volume.

DELTA 10G 42/40