Description
- Each Block is 4" x 4" x 4" with a hole at the top Gro-block holes are the perfect size for any 1.5" Starter plug or macroplug Plants can be fully grown in these gro-blocks The bases of the gro-blocks are grooved to promote drainage and to avoid "wet feet" Comes with Twin Canaries Liquid Volume Conversion Chart
Rockwool Wrapped GRO-Blocks | 4" Cube - Pack of 5 | + Twin Canaries Chart
