Black White Poly, 100' x 10', 5.5 mil and CO2 ppm

and CO2 ppm

If you live somewhere with cold

but is more critical in the flowering stages of a plant's life to maintain energy levels and maximize plant growth

Tumbler Diameter: 6

Black White Poly, 100' x 10', 5.5 mil and CO2 ppmGet 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 resistant black side. Adding