Hydrofarm Black White Poly 10' x 25' 5.5 mil plant-support Properties remain consistent over temperature

Properties remain consistent over temperature range

Our premium reservoir covers are slightly convex with a ribbed design for strength

Commercial Greenhouses

Hydro Usage: Use 1/2 to 1 teaspoon per gallon beginning in early veg and run continuously

It effectively eliminates spider mites

Hydrofarm Black White Poly 10' x 25' 5.5 mil plant-support Properties remain consistent over temperatureDescription 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