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4-hour re-entry interval (REI)
These are added to stop phytotoxicity and extend shelf life
vacuum systems
It offers maintenance-free growing with optimum growth without wasting a single drop of water
plants accumulate silica in macro proportions for good reason
Vivosun P448 4' x 4' Grow Tent Pro Shutter Exhaust Fans 4-hour re-entry interval (REI)Elevate your cultivation experience with our PRO Grow Tent. Upgraded lightproof fabric ensures an optimal environment by eradicating light leaks and maximizing your yields. Robust 1" steel poles deliver unparalleled stability, complemented by the inclusive high CFM kit for added strength. Extra hanging bars, supporting 150 to 400 lbs, allow you to effortlessly hang your heavy grow devices. Also enjoy super easy observation with a larger window and
