Grower's Choice 500w Ceramic Metal Halide 4,000K Bulb 120 volt OrganiShield is an OMRI-listed organic

OrganiShield is an OMRI-listed organic insecticide

the low pressure drop combined with exceptionally high dirt holding capacity makes it great for treating city water

Roots Organics HP2 is minimally processed to preserve all of the benefits and amazing synergistic qualities found in guano and biogenic phosphate rock

The RS 1900e is built with high-quality components

lead and PCBs (organic chlorine)

Grower's Choice 500w Ceramic Metal Halide 4,000K Bulb 120 volt OrganiShield is an OMRI-listed organicGrowers Choice 4k CMH Daylight lamp is the best option for hearty vegetative growth leading to a healthy bloom phase. With a Color Rendering Index of 98 and intense full spectrum the Growers Choice 4k lamp provides near sunlight photon output. This leads to healthier and more robust vegetative growth. For use in any 500W CMH fixture Produces more PAR per watt than standard Metal Halide Richest spectrum on the market CRI of 97 makes this lamp the