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 2 or Control 4) as an ATO system...

This starter kit includes all essential equipment needed to monitor and control a healthy aquarium including a Control 4 device, HYDROS App, temperature sensor, pH probe, and more. Set up is quick and easy, making this ideal for both...

The HYDROS Control 2 Starter Pack is the first affordable and easy-to-use aquarium controller kit in the aquatic industry. This starter pack includes all essential equipment needed to monitor and control a healthy aquarium including a...

The HYDROS Control X4 PRO Pack includes two Control devices, the Control XP8 and Control X4. Combine these Controls to create a secure and impressive set-up for both saltwater and freshwater aquariums. Connect up to four sensor devices,...

A compact aquarium controller with 4 Universal Sense ports dedicated to measuring parameters. Starter Kit Includes: Control XS Unit, Power Supply, Temperature Sensor, 4-Outlet WiFi AC Power Strip The HYDROS Control XS Starter Kit...

This starter kit includes all essential equipment needed to monitor and control a healthy aquarium including a Control X3 device, HYDROS App, temperature sensor, pH probe, and more. Set up is quick and easy, making this ideal for both beginner and...

The HYDROS Control X3 Pro Pack includes two Control devices, the Control XP8 and Control X3. Combine these Controls to create a secure and impressive set-up for both saltwater and freshwater aquariums. Connect up to two sensors such as...