CoralVue HYDROS Triple Optical Sensor Auto Top-Off (ATO) Kit

CoralVue HYDROS Triple Optical Auto Top-Off (ATO) Kit Why purchase a separate and expensive auto top-off system when HYDROS can do the job for you? The HYDROS Auto Top-Off Kit comes with everything you need to use your HYDROS device (like the Control X2 or Control X4) as an ATO system. This kit features a new Triple water level sensor for added security.  The HYDROS Auto Top-Off Kit Includes: HYDROS Triple Water Level Sensor (plugs into HYDROS Sense Port) HYDROS DC Micro Pump (plugs into HYDROS Drive Port) Hang-On Tubing Mount 80" Tubing (8.5mm OD - 6.5mm ID) Siphon Break