TrolMaster Drop-in/inline Heavy Duty Nutrient pH Sensor (PPH-3) RootSpa and ppm/EC pen

and ppm/EC pen

4 GPH for full overhead coverage

cleaner environment where you can breathe easier and reduce the potential for allergic reactions

More efficient and affordable than anything else on the market

High-output 12-inch exhaust fan for grow rooms and greenhouses

TrolMaster Drop-in/inline Heavy Duty Nutrient pH Sensor (PPH-3) RootSpa and ppm/EC penTrolMaster Drop in inline Heavy Duty Nutrient pH Sensor (PPH 3) 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. *All pH probes must be stored by using the storage cap and the correct probe storage solution. If a pH probe gets completely dried out, they will no longer function correctly. Any pH probe returned without the cap and in a "dry" state" will not