Pay in 4 interest-free payments of $42.25 Learn more
Ships within 48 hours · Estimated delivery Aug 16 - Aug 21
Adjust and review your CO2 levels when you want to and how you want to
Coincidentally because of its versatile design it fits into many different size bins and totes
Additional Information
highly artistic
It may be applied throughout the grow cycle
Grodan PRO Delta 10 - 4 in x 4 in x 4in w/hole large Unwrapped selfwater Adjust and review your CO2Gro Blocks are similar to a plant container. Need a 3 in pot? Then choose a 3 in Gro Block. Small plants can be fully grown in our larger Gro Blocks. Holes are perfect size for any 1. 5 in starter plug. Come in packs labeled with instructions. Big Mama is Grodan's largest block ever produced! Big enough to grow a large plant for its entire life. More than twice the amount of wool as our Hugo Bloc
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