Aqua Master E50 Pro - Replacement Probe (Electrode) jiffy Most RJ11 and RJ12 connector

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According to the pot size

Aqua Master E50 Pro - Replacement Probe (Electrode) jiffy Most RJ11 and RJ12 connectorSuitable for the EC Temp meter E50 Pro. Please refer to the User Guide for instructions on how to replace the electrode. Waterproof IP67. Replacing the electrode: Properly unscrew the sealing ring in the lower part of the meter Remove the defected old electrode by gently pulling it Carefully place the new electrode with the recess in the correct position so that the connectors properly connect and do not damage the meter or electrode Check that the