Description
• Building block element
(It is NOT recommended to foliar spray Kelp during bloom/flowering stages
The Flowmaster by Hydrologic measures how many gallons of filtered water have gone through the your grow system and alerts you when it's time to change filters
Green Lacewing Eggs on Hanging Cards allow for easy and even release of lacewing eggs throughout the growing area
replace lures as needed to maintain effectiveness
Greenhouse Aluminum Intake Shutter spl_bfg • Building block elementFresh Air Intake for Greenhouse or Hoop House Bring outside air into your greenhouse with this intake shutter. Aluminum shutters open with negative pressure as outdoor air is drawn in through the shutter, and hot air is exhausted through a motorized shutter fan on opposite sides of the hoop house. This shutter is designed for easy installation with spring wire and lock channel and this hardware kit. Check out this article on greenhouse ventilation to