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0 l/h) each at 14
the meter does not need calibration
This cost effective umbrella style reflector provides unbeatable lighting performance
Jetfans are the ideal solution for your ventilation needs
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Grodan Gro-Block Improved GR6.5 Small with Hole, Unwrapped, 4" x 4" x 2.5" - Case of 216 Storage Bags 0 l/h) each at 14New 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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