HYDROS Blenny

HYDROS Blenny – Precision Aquarium Dosing Pump and Smart Aquarium Controller

The HYDROS Blenny combines four precision micro-liquid dosing pumps with the power of a smart aquarium controller. Designed for reliability, it delivers exact amounts of liquid supplements—whether you’re dosing two-part solutions or trace elements in a reef aquarium. As part of the HYDROS lineup and featured in our Automate & Monitor lineup, it offers advanced control without the complexity.

Why the HYDROS Blenny Is More Than Just an Aquarium Dosing Pump

Perfect for both saltwater and freshwater systems, the HYDROS Blenny works independently or integrates seamlessly with other HYDROS devices. In our Controllers and Dosing Pumps sections, it stands out as a multi-function solution for serious hobbyists.

This unit is part of the Water Quality and Pump Control controller sections, given its role in precision dosing and equipment automation.

HYDROS Blenny Specifications

• Dimensions: 7.625 inches long, 6 inches wide, 2.875 inches tall

• Tubing Size (Inner and Outer Diameter): 3 x 5 millimeters

• Drive Port Capacity: 1.5 amps each with a max of 3 amps total

• Included:

  • Blenny Controller

  • Power Supply

  • Four (4) 10 ft dosing tubes

  • Calibration beaker

Key Features of the HYDROS Blenny

Smart Aquarium Controller Capabilities

• Control devices locally via WiFi or remotely with the HYDROS app

• Monitor voltage, current, CPU status, and internal temperature

• Set custom alerts and notifications for system events

• Share power and data with other HYDROS units via Command Bus

Reef Aquarium Dosing Pump Precision

• Four independent micro-dosers for accurate supplement delivery

• Set speeds from -55 to 55 ml/min

• Quiet operation with rotatable, color-coded heads

• Easy to maintain and service

Built for Harsh Aquarium Environments

It sturdy housing and quality-grade connectors can stand up to humidity, salt, and everyday wear—allowing you to keep your controller and dosing pump running reliably over time.

Control More Than Just Dosing

When paired with HYDROS WiFi power strips or smart plugs, the Blenny can run up to eight connected devices—heaters, lights, pumps, UV sterilizers, and more. This flexibility transforms it from a reef aquarium dosing pump into a full command center.

Frequently Asked Questions About the HYDROS Blenny

Can the HYDROS Blenny replace a standalone dosing pump?

Yes. It offers precise control and monitoring that most standalone units don’t provide.

Is it compatible with other HYDROS controllers?

Absolutely. It’s designed to integrate with all HYDROS devices via the Command Bus.

What kinds of supplements can it dose?

Two-part solutions, trace elements, liquid foods, and other liquid additives.

How difficult is it to set up?

Setup is intuitive—if you can use a smartphone, you can configure this controller using the HYDROS app.

Supported Accessories:

Behind the Tanks

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• See what’s coming next from Coralvue and HYDROS on Facebook

• Ask questions and share progress on Reef2Reef