Hydrofarm Black White Poly 10' x 25' 5.5 mil Garden Accessories - Highly soluble carbohydrate source

- Highly soluble carbohydrate source for culture media

which may cause incomplete fuel combustion

- Material: Cloth

It also comes with smart humidity and timer programming

It may be used with water fountains

Hydrofarm Black White Poly 10' x 25' 5.5 mil Garden Accessories - Highly soluble carbohydrate sourceDescription Product Details: Get double the grow room assistance with this waterproof alternative to metalized film. Unroll this two sided film and custom fit your indoor garden, eliminating concerns over whether you've got afternoon facing light or a climate that supports your preferred greenery. Use the white side for walls and floors, taking advantage of the material's 90 percent reflectivity. When you want to block out light and sun, use the light