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How far can the aF4 be placed from the aquarium
Safely Prevent Skimmer Overflows and holds up to 1400 ml/ 49oz
Cap the test tube and shake vigorously for 5 seconds
Official CoralVue HYDROS Accessory
don't worry
OS-1 Optical Level Sensor V2 monitor How far can the aF4Optical sensors are the go to sensor if you want a reliable sensor over a long period. The Neptune Optical Sensor plugs directly into the FMM allowing you to monitor the level of your sump, mixing station, or any other reservoir with liquid in it. 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
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