Grodan Stone Wool Big Mama Gro-Block 8 inch x 8 inch x 8 inch - Case of 18 Sugars Once the medium is partially

Once the medium is partially expanded

For high-capacity chlorine and chloramine reduction in city water

If not releasing immediately

Start the vacuum pump and allow the vacuum to pull down for a few minutes before injection

Grodan Stone Wool Big Mama Gro-Block 8 inch x 8 inch x 8 inch - Case of 18 Sugars Once the medium is partiallyThis Grodan Delta Big Mama case comes with 18 8" x 8" x 8" blocks. Interested in buying in bulk? For pallet quantities or more please call 855 289 1441 or email pro@growershouse. com for the most competitive price. Grodan Delta constitutes the basis for the uniform and perfectly controllable propagation of plants, the condition to be met for powerful and healthy plant growth. Each block has a virtually identical density, flexibility and sturdiness,