🌱 Grow smarter, not harder — the ultimate hydroponic block for next-level cultivation!
Twin Canaries Grodan Rockwool Delta GRO Blocks are 4-inch cubic stone wool blocks designed for hydroponic growing. Each block features a perfectly sized hole for 1.5-inch starter plugs, grooved bases to ensure proper drainage, and supports full plant growth. The pack of 6 includes a liquid volume conversion chart to optimize nutrient management, making it an essential tool for professional and hobbyist growers alike.
Manufacturer | Twin Canaries Liquid Volume Conversion Chart |
Package Dimensions | 30 x 19.89 x 10.11 cm; 381 g |
ASIN | B0812XYTKN |
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