Black + White Poly, 25ft x 10ft, 5.5 mil, Folded Hydroponic Research Adjust the pH level as

Adjust the pH level as necessary

Electrode/Probe: 114 mm (4

1 pH sensor

and finishing curves with sunrise/sunset ramps

Black + White Poly, 25ft x 10ft, 5.5 mil, Folded Hydroponic Research Adjust the pH level asGet 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