WaterGATE Electronic Solenoid Valve grow-light-reflectors BIG MAMA is the largest

BIG MAMA is the largest block ever produced by Grodan

and subterranean termites

Photosynthetic bacteria will promote photosynthesis in all plants

processed and manufactured under strict quality standards

WaterGATE Electronic Solenoid Valve grow-light-reflectors BIG MAMA is the largestThis optional valve (used in place of a pump) is designed to be installed in a pressurized water line and to be controlled by your CO2 monitor. This is a high quality solid brass valve designed for years of service. The valve has 3 4" NPT outlets that can be used to attach the valve inline with your existing plumbing or you can use the supplied " hose barbs to make the connection. You will need either a pump or a valve, but not both.