Black Hatch Zipper Door 55 Gallon Drum 6 grams of Pro Core

6 grams of Pro Core

FDA Compliant Product Path Materials

the Bluelab Truncheon Nutrient Meter has proven itself as the world's favorite nutrient meter

It also helps plants absorb phosphorus

Black Hatch Zipper Door 55 Gallon Drum 6 grams of Pro CoreBLACK HATCH GROW ROOM DOOR Professional grade fabric zipper door that is easily installed as an entry exit door to a grow room features super durable material, tape friendly borders, a high quality light blocking zipper, and reflective material on the interior side. For extra protection against light pollution, the Black Hatch also has a heavy duty fabric layer covering the zipper on the reflective side. Insulative design helps maintain desired grow