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Hydrofarm's popular Cool Tube now comes in a 24" model with an adjustable reflector
Use with the Fluence light intensity Dimmer for instant PPFD adjustments when transitioning between crop varieties or growth stages
ENERGY USE
But it doesn’t have to
Rich Humic spl_bfg Hydrofarm's popular Cool Tube nowHumic acid is a naturally occurring material found in soils, lignite and composting vegetable matter. Rich Humic lab results show 22% humic acid through the alkaline extraction method and 3% humic acid through the acid insoluble method. Because some states recognize only the acid insoluble method, we list Rich Humic at 3% humic acid.
