Ducting - PVC Coated - Multiple Size x 6m ufo-grow-lights PSI has been manufactured with

PSI has been manufactured with a new process that makes it 30% more effective than any other mono silicic acid products on the market and at a price that everyone can use and see amazing results

Spray or use as a root drench

resulting in bigger

5") at widest setting

This complex commercial grade formulation has been concentrated in order to reduce volume of nutrients in the grow room

Ducting - PVC Coated - Multiple Size x 6m ufo-grow-lights PSI has been manufactured withTough and completely light proof PVC coated memory duct has the smallest corrugation profile and largest true inner diameter for maximum air flow and quiet air passage. All ducts come in 6 metre lengths. Sizes Available: 125mm x 6m 150mm x 6m 200mm x 6m 250mm x 6m 300mm x 6m