Gorilla Grow Tent Extension Kit Size:4'X4' This highly efficient method of

This highly efficient method of injection helps maintain more consistent CO2 levels while saving money year round on expensive CO2 tanks

Heavy-duty construction

Outfit the GrowLab® with the ventilation fan

Cal-Mag™ Plus can also be applied as a foliar spray to further enhance growth

even after dilution or adjustments between reservoir changes

Gorilla Grow Tent Extension Kit Size:4'X4' This highly efficient method ofGorilla Grow Tent Extension Kit Every Gorilla Grow Tent already includes a complimentary height extension kit that gives you the ability to increase your growing height from 7 to 8. With this 2 foot height extension it you will now gain the ability to have a tent that is 8, 9, or even 10 in height, by using either just the 1 kit or the 2 kit, or combining them to make the ABSOLUTE TALLEST GROW TENT KNOWN TO MANKIND!!! Benefits to raising the roof