Newest Freshwater Products

Monitor & Control Like a Pro, Even if You're a Beginner   The HYDROS Control 2 Starter Pack is the first affordable and easy-to-use aquarium co...

Achieve Ultimate Aquarium Control with the HYDROS Control 4 Starter Pack   This starter kit includes all essential equipment needed to monitor and ...

A Smart and Affordable Way to Power Your Aquarium Gear The HYDROS WiFi Smart Plug is a smart power outlet designed to work with the CoralVue...

The HYDROS Powerstrip has 4 individual controlled 120v outlets and 4 x USB ports that are WiFi controllable using the free HYDROS app for Android a...

HYDROS Waterproof IP68 Temperature sensor - Sense Port Accessory The HYDROS Slim Temperature Sensor is only 1.6” long and 0.32” wide. Its all-black...

Protect your aquarium, home, or office from total disaster   The HYDROS Rope Leak Detection Sensor is a flexible line that detects the p...

CoralVue HYDROS 5-PIN System Command Bus Cable   This 6ft long HYDROS System Command Bus Cable allows HYDROS devices to communicate and ...

HYDROS 9ft Drive 2-Pin Extension Cable   This 9ft long extension cable for HYDROS Drive Accessories for Control 2 and Control 4.

HYDROS 9ft Sense 4-Pin Extension Cable   This 9ft long extension cable for HYDROS Sense Accessories for Control 2 and Control 4.

HYDROS Rope Leak Sensor Cable ONLY. Part of set

The CoralVue HYDROS Auto Top-Off Kit Includes: HYDROS Triple Water Level Sensor (plugs into HYDROS Sense Port), HYDROS DC Micro Pump (plugs into HY...

The HYDROS Water Level Sensor is an optical sensor you can use for a variety of aquarium applications, such as sensing when your tank needs to be t...

HYDROS Skimmer Sensor - Sense Port Accessory   The HYDROS Skimmer Sensor serves a very specific and important role: it prevents your pro...

HYDROS Temperature Sensor - Sense Port Accessory   The HYDROS Temperature Sensor is an easy and affordable way to prevent your aqua...

CoralVue HYDROS DC Solenoid Valve The HYDROS DC Solenoid Valve is a handy HYDROS Control 2 and Control 4 accessory that provides easy on/off RO or ...

CoralVue HYDROS DC Micro Pump With a HYDROS DC Micro Pump and a HYDROS Optical Water Level Sensor (or Float Sensor), you can use the HYDROS Control...

 ESV's Granular Activated Carbon (GAC) based on bituminous coal provides the best combination of pore size, large particle size, high surface a...