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TrolMaster Aqua-X 2-in-1 EC + Temp Sensor for Reservoir PCT-1:
$49.99

The TrolMaster EC & Temperature probes provide accurate and reliable monitoring on the EC and temperature of the water being monitored by the Aqua-x. The PCT-1 probe connects to the Aqua-x via the AMP-2.

TrolMaster Aqua-X 2-in-1 EC + Temp Sensor for Reservoir PCT-1