Neptune Systems Optical Level Sensor w/ Magnetic Mount All Anemones your cichlids can easily digest

your cichlids can easily digest and absorb more nutrients

smart fleece roller filter that keeps your aquarium water crystal clear for weeks at a time

Drawing a maximum of 55 watts from the wall

Staple Large Pellet 17

Neptune Systems Optical Level Sensor w/ Magnetic Mount All Anemones your cichlids can easily digestProduct Description FMM FLUID MONITORING MODULE IT DOES SO MUCH! This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry or dry to wet. This sensor can be used for constructing your own ATO (auto top off), as a high level warning sensor in your sump, water storage level sensor, and much more. The sensors can be mounted into custom brackets or through a hole in a vessel.