TrolMaster Inline pH Sensor （PPH-2） HGC708904 The Quest Dual 155 was

The Quest Dual 155 was designed to be placed overhead and out of the way

Quiet 58 decibels operation

It is a proprietary blend of highly concentrated beneficial fungi and bacteria that perform many important functions in the rhizosphere (the root zone)

The outside edges of these Japanese-steel blades are grounded round

A320v3 SPECS:

TrolMaster Inline pH Sensor （PPH-2） HGC708904 The Quest Dual 155 wasThe TrolMaster pH probes provide accurate and reliable monitoring on the pH of the water being monitored by the Aqua x. The PPH 2 probe is a commercially rated probe and it connects to the Aqua x via the AMP 2. It is intended to be installed into standard 3 4" PVC tee fittings and also can be placed into an water tank. *All pH probes must be stored by using the storage cap and the correct probe storage solution. If a pH probe gets completely dried