Heavy-Duty Inline Nutrient EC/Temp Sensor（PCT-3） rockwool Once we review your order

Once we review your order with you

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

surfactants

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

Heavy-Duty Inline Nutrient EC/Temp Sensor（PCT-3） rockwool Once we review your orderTrolMaster'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