CoralVue – HYDROS Minnow
Dual Micro Dosing Pump Controller with Advanced Monitoring Capabilities
The HYDROS Minnow is a compact yet powerful aquarium controller featuring two independent micro-liquid dosing pumps - perfect for accurate dosing of two-part solutions, trace elements, liquid foods, or other supplements. Designed for both saltwater and freshwater systems, the Minnow combines dosing precision with intelligent monitoring via its four available Sense Ports.
Use it as a standalone controller or as part of a larger HYDROS ecosystem. Like all HYDROS devices, the Minnow is engineered, assembled, and supported in the USA and is IP65 rated for splash and dust resistance, ensuring reliable performance even in demanding marine environments.
What’s Included
- HYDROS Minnow Controller
- Power Supply
- (2) Color-Coded Dosing Tubes – 10 ft
- Calibration Beaker
Specifications
- Dimensions: 6 x 6.25 x 2.5 in
- Tubing Size: 3mm ID x 5mm OD
- Dosing Speeds: -55, -45, -25, 25, 40, 55 mL/min
- Command Bus Ports: 2
- Sense Ports: 4
WiFi Power Strip, XP8, or Smart Plug required for outlet control (sold separately)
Smart Control from Anywhere
- Control and monitor via the HYDROS Cloud-Based App
- Set schedules, conditions, and rules with simple drag-and-drop interface
- Built-in processor allows local decision-making with no cloud dependency
- Configure real-time alerts for temperature, leaks, dosing errors & more
- Internal system diagnostics (voltage, CPU, temp, current draw)
Dual Micro Dosing Pumps
Each Minnow features two micro-dosers with quiet operation and color-coded pump heads for easy identification.
Pump Features:
- Quiet, reliable stepper motors
- Rotatable heads for flexible tubing direction
- Color-coded heads for easy channel management
- Simple servicing and calibration
- Accurate dosing of small volumes (great for reef supplements)
Sense Port Compatibility
Connect up to 4 HYDROS sensors to monitor critical parameters:
- Temperature (air or water)
- Fluid level (optical & capacitive)
- TDS from RODI systems
- Leak detection (point or rope style)
- Flow rate sensors
Expand Your System
Control up to 8 WiFi-enabled outlets using the HYDROS app.
Compatible with:
- HYDROS 4-Outlet WiFi Power Strip
- HYDROS Smart Plug
- HYDROS Control XP8
Use the Minnow to control dosing, monitor leaks, adjust lighting or ATO behavior, and much more - all from your phone.
Warranty
1-Year Limited Warranty
- 1 year on controller body and dosing motors
- Wearable parts such as tubing, bushings, and rollers are excluded
- Warranty valid for original purchaser only
- Proof of purchase required
- Warranty activated on date of purchase
CoralVue will repair or replace defective units at their discretion. Damage due to misuse, modification, or unauthorized repair voids coverage. CoralVue assumes no liability for incidental or consequential damages related to product failure.
We totally understand that plans change! You can modify or cancel your order as long as it hasn’t been shipped yet. Just call or email us right away - our team will confirm if we can catch it before it leaves our facility.
If your order is already in transit, you’ll need to request a return once it arrives. Keep in mind that some items, like aquariums and livestock, can’t be returned.
For full terms, please refer to our Refund & Return Policy.
Placing an order is simple - just add your item to the cart & complete the checkout process online. Once your order is confirmed, we'll reach out to you directly to schedule a local pick-up appointment at our facility.
* All local pick-ups are by appointment only *
Order processing typically takes 1-2 business days for products that are in stock or readily available through our network of distributors. Some products, however, are fulfilled on demand directly from our distributors, which can slightly extend processing and delivery times depending on availability and location.
Rest assured - we always work to get your order shipped as quickly as possible.
If you’d like to confirm availability or request an ETA before placing your order, you’re always welcome to call or email us.

















