Grodan Rockwool Delta GRO Blocks | 4" Cube - Pack of 6 | +

Description

🌿 Grow smarter, not harder — the future of hydroponics starts here!

Grodan Rockwool Delta GRO Blocks are 4-inch stone wool cubes designed for hydroponic and soil-less growing. Each block features a perfectly sized hole for 1.5-inch starter plugs and grooved bases to promote drainage and prevent root waterlogging. The fibrous stone wool structure balances water retention and aeration, providing an ideal environment for plants to anchor and thrive from seedling to full maturity.