Heavy-Duty Inline Nutrient EC/Temp Sensor（PCT-3） rockwool This essentially tells us the

This essentially tells us the percentage of chemical mixture dosed into the water supply

Greenhouse LED Grow Light

the DSP-1 will automatically turn on the pump

A fully automated light deprivation package makes controlling the light cycle effortless with 2 powerful 100nm motors and a programmable controller

Variable speed fans require separate variable speed control to adjust the fan speed

Heavy-Duty Inline Nutrient EC/Temp Sensor（PCT-3） rockwool This essentially tells us theTrolMaster's new PCT 3 EC & temperature probe has been improved in several ways. The new PCT 3 features a reduced diameter protective sleeve and threaded body that will allow the probe to be installed into standard 3 4" PVC tee fittings. The PCT 3 also has an improved sensor element for more stable and reliable performance and we have reduced the length of the probe to fit into tight spaces. Can be used with the AMP 2 or the AMP 3 nutrient sensor