– Gro-Blocks : 4″
– Sizes in inches : 4x4x2.5
– Hole size Big hole
– Package 6
Grodan GRO-BLOCKS DELTA 4X4X2.5” w/ Hole
Whether starting your seeds and cuttings in A-OK Starters, Macroplugs, or Mini-Blocks it is a good idea to transplant into a 4” block. Just place your Mini-Block or your Macroplug/A-OK into the 4” block with the hole and watch your plant flourish.