Grozone OSW On/off switcher rooting hormone you are also exposing the

you are also exposing the plant to shock and stress

Reduces erosion

Ideal for aquariums up to 60 US Gal / 225 L

seedlings and mother plants

Grozone OSW On/off switcher rooting hormone you are also exposing theGrozone OSW 120 VCA On Off Controller OSW 120 VCA On Off Controller Can turn on or shut off any piece of equipment by mean of a low current 120Vac sense cord. ON OFF switching functions (upper lower receptacles) in one single module for increased flexibility. Detailed description Example use #1: to be used with CO2 controller to stop exhaust fan while injecting CO2 Example use #2: to be used with any fan control to stop fogger or humidifier when fans