Neptune Systems Optical Level Sensor w/ Magnetic Mount All Anemones Drawing a maximum of 55

Drawing a maximum of 55 watts from the wall

Staple Large Pellet 17

both high or low

easy-to-maintain aquarium

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

Neptune Systems Optical Level Sensor w/ Magnetic Mount All Anemones Drawing a maximum of 55Product 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.