Non-Woven Poly 6 Mil - Blackout - 40' x 100' MH which minimizes the amount of

which minimizes the amount of light on the floor

Fit around the sides of the greenhouse or between rows

Our careful balanced mineral ratios help facilitate optimal plant development including photosynthesis

The sturdy frame helps support the weight of the vines as they grow

Unlike common AC-powered duct fans that suppresses voltage to control fan speeds

Non-Woven Poly 6 Mil - Blackout - 40' x 100' MH which minimizes the amount ofThe Blackout Greenhouse poly ensures no light will reach your plants until you want it to! Blackout Poly is the ideal covering for light deprivation greenhouse setups and is black on one side with a reflective white outer layer to further prevent light penetration. Using blackout poly on your greenhouse is found to result in improved production and increased plant yield that comes from growing year round regardless of weather conditions, and it is