Neptune Double Junction pH Probe Tangs Reef Energy Plus is an

Reef Energy Plus is an enhanced supplement that provides the complete nutritional components needed by Soft

Double chamber allows two medias to be used simultaneously

Filter jam/float error/water depth alarm

and trace elements in the proper ratios to duplicate the composition of synthetic seawater

May assist in reducing phosphate

Neptune Double Junction pH Probe Tangs Reef Energy Plus is anPH PROBE DOUBLE JUNCTION Replace your pH probe or add another for another tank, calcium reactor, etc. Buy this probe if you are: Replacing a worn out pH probe (we recommend you replace your pH probe every 18 months). Adding another tank to your system and purchased a PM1 to do so.