Passive Unit Kit 450 g Mark I HPS/MH Lights It allows more light to

It allows more light to be absorbed

Flush monthly with plain water to remove traces of mineral salts build up

Works best with the Mondi Propagation Kit

Faster growth rates and shorter vegetative cyclesFast acting on nutrient deficiencies of Ca

Passive Unit Kit 450 g Mark I HPS/MH Lights It allows more light toAll MK I & MK II Passive Unit Kits consist of 304 and 316 Stainless Steel Columns and Fitok Fittings. Stainless Steel Braided PTFE Lined Hose and PTFE Gaskets with 150 micron Mesh Gasket and 1. 5 Borosilicate Sight Ports. Safety features including 150 psi Conrader Brass Pressure Relief Valves, 150 psi Stainless Steel Pressure Gauge and Nai Lok Ball Valves. Passive Unit Kits allow you to turn your already existing Closed Column Unit into a Full Reclaim