Neptune Apex Probe Module 2 Hydrometers & Refractometers a cabinet button can start

a cabinet button can start a maintenance routine

Formulated to provide over 200 million phytoplankton cells per ml

As small juveniles they tend to be yellow

improper diet

Faster RO Production for Larger Tanks and Mixing Stations

Neptune Apex Probe Module 2 Hydrometers & Refractometers a cabinet button can startNeptune Apex Probe Module 2 The Neptune Apex Probe Module 2 adds salinity or conductivity monitoring, temperature compensation, six digital inputs, and AquaBus expansion to a compatible Apex aquarium controller system. PM2 Salinity and Conductivity Expansion The PM2 is designed for aquarists who want continuous conductivity or salinity monitoring through their Apex system. Salinity stability is especially important in reef aquariums, quarantine