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and the dry ice should never come into contact with skin
Combine with blue light treatments in the 400 500nm spectrum to improve anthocyanin production
where high heat is required but less visible light is desired
low power consumption
Grodan Gro-Block Improved Big Mama (8x8x8) Quantity:Case of 18 and the dry ice shouldGrodan Gro Block Improved Big Mama is the largest block ever produced by Grodan. It is 8" square and contains over twice the amount of rockwool as the popular Hugo block. This block is big enough to grow a large plant for its entire life. When your plant outgrows its current block, just place it on top of Big Mama. Grodan Improved Gro Block optimized wool structure allows for faster rooting in and nutrient solution replenishment. New and improved
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