Hydros Skimmer Sensor dry goods * Expansion kit is an

* Expansion kit is an add-on and can not be run independently

Easy to use

1 Year manufacturer warranty

You could place a couple in an ATO reservoir: one can tell HYDROS to refill it and the other could prevent it from overflowing

Compact and Portable: With its sleek and compact design

Hydros Skimmer Sensor dry goods * Expansion kit is anThe HYDROS Skimmer Sensor prevents your protein skimmer from overflowing onto the floor or back into your sump. The HYDROS Skimmer Sensor plugs into any HYDROS Sense Port and does not require any additional power supply. The optical eye on this sensor is designed to be used inside the collection cup of a protein skimmer, so its a little different than a standard water level sensorbut purpose built for this specific and important application. The