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and RED channels for full-cycle photosynthesis
Accuracy: ±8% V/V *Accuracy determined in a controlled environment with multiple substrates
Growlab model GL290: 9'6" x 9'6" x 6'7" (outside dimensions)
It also means nothing on a packet tells the person at the far end when it is finished
Method Seven HPS Perfect Color Plus Crystal Glasses 4' x 8' and RED channels for full-cycleMethod Seven HPS Crystal Glasses for Color Correct Vision Designed for growers working under high pressure sodium lighting, these HPS Crystal lenses use premium German mineral glass to filter harsh spectra and restore natural color. That means easier scouting for leaf issues, pests, and nutrient imbalances with unmatched visual clarity. Mineral Glass Lenses with UV & IR Protection The scratch resistant mineral glass is easy to clean and stays clear
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