Autopilot 24 hr Day & Night Cooling / Heating Thermostat Certified OMRI Organic 382 mg/L (ppm) TDS calibration

382 mg/L (ppm) TDS calibration solution that is prepared against a NIST traceable potassium chloride solution

A micro computer with LCD display makes it easy to operate

Mix ½ teaspoon per gallon of water and apply every 7–14 days during the flowering cycle

lightweight

Autopilot 24 hr Day & Night Cooling / Heating Thermostat Certified OMRI Organic 382 mg/L (ppm) TDS calibrationAutopilot 24 hr Day & Night Cooling Heating Thermostat The APCET2 is a temperature controller that can be used as a cooling OR a heating device. It automatically powers the device connected based on the selected day and night set points. The user can choose to have different day and night temperature set points that are automatically detected by the built in photocell. The knobs make it easy to adjust the settings. We added a Memory lock feature which