Grozone CY2 Day/Night Periodic Timer charcoal Soluble Potash(K2O) - 4%

Soluble Potash(K2O) - 4%

accurate results with digital LCD readout

Key amino acids including L-tryptophan

Comes with a 120v power cord

copper EDTA

Grozone CY2 Day/Night Periodic Timer charcoal Soluble Potash(K2O) - 4%CY2 Day Night Periodic Timer Controls any 120Vac equipment such as pumps or fans on a periodic repeat cycle. The ON duration spans from 5 sec to 30 minutes. The OFF duration spans from 5 Seconds to 60 Minutes. The unit can function day and night or during day time only. A periodic timer is one that goes off periodically, notifying the thread (over and over again) that a certain time interval has elapsed. A one shot timer is one that goes off just