Heavy-Duty Inline Nutrient pH Sensor（PPH-3） semi-gable greenhouse relay/contactor panels

relay/contactor panels

and top shelves

Pump for J&D Evaporative cooling system

such as high/low history

Model-V is designed specifically for vegetative cultivation practices in commercial cultivation or home hobbyists cultivating without CO2 supplementation

Heavy-Duty Inline Nutrient pH Sensor（PPH-3） semi-gable greenhouse relay/contactor panelsTrolMaster's new PPH 3 pH probe has been improved in multiple ways. The new PPH 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 PPH 3 has an improved sensor element for more stable and reliable performance. Can be used with the AMP 2 or the AMP 3 nutrient sensor module.