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Does anyone know how I might go about calculating theoretical BTU's of my DIY grow light? Is their a calculator somewhere? My light has 4 x CXB3590 (3500k, 80cri) driven at 1750mA that are actively cooled on Arctic Alpine heatsinks and 2 x Vero 29 (3000k, 90cri) driven at 1400mA on passive...

Okay, I need some help with my climate control and ventilation. I've fired up the COB grow light in the closet and have been running the oscillating fan and the inline fan and taking temperature readings in the closet and outside the closet. The closet is running a bit too hot at around 85F...

Okay, I finally started building my grow light. I am building a 3' wide x 3' deep x 5'-8" tall grow closet. My plan is to use a SCROG. The light will be built with: (4) Cree CXB 3590, 3500k, CD bin (4) Arctic Alpine 64 Plus (1) Meanwell HLG 240-1750b (1) Meanwell APV 12-12 Ledil Angelina...