24-7 pH Replacement Probe Organic Labs The Autopilot Greenhouse Master Controller

The Autopilot Greenhouse Master Controller (GMC) is designed to precisely control temperature

The outside constructed in PAP can generate the least amount of heat for safety and also prevents any damage to your plants - White LEDs provide a balanced broad-spectrum of cool & warm mixed color

Lickety Split

Open Sesame® is a high-phosphorus soluble fertilizer that's designed to bring plants into bloom on command

24-7 pH Replacement Probe Organic Labs The Autopilot Greenhouse Master ControllerA great all around meter for nutrient applications needing constant monitoring. It measures PPM, pH and Temperature. Its large illuminated green LCD display allows easy reading from a distance. Both pH and PPM are temperature compensated for accurate readings. The electrodes are replaceable. Calibration screws are conveniently located on the front for easy access. The chip is programmed to use the international water standard 500 PPM = 1 EC TDS