WaterGATE Electronic Solenoid Valve spl_bfg You can set it to

You can set it to spray only in the dark (low light) or during the day (when lights are normally on)

Roots Organics Seabird Guano is an excellent source of phosphate and calcium

Conductivity Accuracy: 2% full-scale 1 LSD

DISM sensor included

WaterGATE Electronic Solenoid Valve spl_bfg You can set it toThis 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.