Non-Woven Poly 6 Mil - Blackout - 50' x 100' ventilation Silicon is the second most

Silicon is the second most abundant element in plants and with out it they can not survive

B3 is a natural and organic alternative to synthetic fertilizers

21 x PotPro™ | Platform Fitting x T (unit)

BioFoamer® Foaming Agent Indicator

Comes complete with cord set

Non-Woven Poly 6 Mil - Blackout - 50' x 100' ventilation Silicon is the second mostThe 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