Non-Woven Poly 6 Mil - Blackout - 25' x 100' spl_dakine420 Weeds with a deep root

Weeds with a deep root system may require a second treatment or a stronger concentration

As with the other ballasts in our SG line

Game changer for my reservoir fills

A true daylight color temperature of 6

UV to NIR) LED plant grow lights

Non-Woven Poly 6 Mil - Blackout - 25' x 100' spl_dakine420 Weeds with a deep rootThe 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