Description
he HYDROS ATO Kit comes with everything you need to add and manage automatic top-off through your HYDROS Controller. Using a HYDROS aquarium controller for your auto top-off system is not only a reliable solution but it also helps clear wire clutter in and around your aquarium. While this ATO system does require the HYDROS system to function, if you already have a HYDROS aquarium controller, this is a very economical add-on to manage water top off functions.