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and filter systems
Enjoy a cleaner
Bait Mixing Instructions: Pour yeast and catalyst (small plastic bag in yeast) into a gallon jug
Contains Amino Acids: With a high carbon/nitrogen ratio
Grodan Gro-Block Improved GR10 Large with Hole, Unwrapped, 4" x 4" x 4" - Case of 144 Select Rockwool Type:Mini-Block, 1.5" - Case of 2250 and filter systemsNew and improved stone wool substrate with advanced wetting technology from Grodan Introducing Grodan Gro Blocks Improved, a product specifically engineered to deliver real results for your crops, developed by plant scientists, researchers, and top growers. A core component of the "Precision Growing" philosophy, Grodan Gro Blocks Improved with Advanced Wetting Technology allow you to cultivate more uniform and high quality crops while using less water
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