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Ships within 48 hours · Estimated delivery Sep 10 - Sep 15
Add to clean water ahead of other nutrients: The manufacturer's mixing instruction
3" H Weight 5
For high-capacity chlorine and chloramine reduction in city water
65% Over MERV-8: Catches far more fine particulate than MERV-8
If not releasing immediately
Grodan Stone Wool Big Mama Gro-Block 8 inch x 8 inch x 8 inch - Case of 18 Sugars Add to clean water aheadThis 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,
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