Grodan Delta Gro-Blocks Select Rockwool Type:Delta Big Mama - 8" x 8" x 8" - Case of 18 absorption into plant tissue is

absorption into plant tissue is greatly increased and results can be noticed the next day or sooner

The strategic partnership between BioSafe and Lallemand

while maintaining a freshness extending seal

Washable and durable—can be used season after season

5 pH with a course spray or submerged in the solution for up to 2 minutes

Grodan Delta Gro-Blocks Select Rockwool Type:Delta Big Mama - 8" x 8" x 8" - Case of 18 absorption into plant tissue isThe Foundation for uniform and perfectly controllable propagation of plants. Details Grodan Delta is the basis for an easy to steer propagation process, that results in uniform, good quality plants. Each block guarantees uniform water and nutrient distribution. Grodan Delta scores high in saturation and firmness, which means it always performs well in highly mechanized propagation processes. Application Grodan Delta is a reliable propagation block for