- Sku: HDRS-ATO-300
- Vendor: Hydros
HYDROS Triple Optical ATO Kit
Keep your aquarium water levels stable with the HYDROS Triple Optical ATO Kit. This all-in-one solution converts your HYDROS controller into a reliable Auto Top-Off system using advanced triple optical sensors for precise water level monitoring and added safety. Browse the full HYDROS collection for sensors, power bars and accessories that plug into it.
Why You'll Love It
- Triple optical water level sensor for improved safety
- Prevents overfilling and maintains stable salinity
- Includes micro pump, tubing, siphon break, and mount
- Powered and controlled directly by HYDROS Control Drive Port
- Ideal for nano, AIO, and small reef aquariums
Specifications
| Brand | HYDROS |
| Product Type | Auto Top-Off (ATO) Kit |
| Compatibility | Requires HYDROS Control Drive Port |
| Suitable Systems | Saltwater and Freshwater |
| Item # | HDRS-ATO-300 |
| Condition | New |
| MSRP | $92.39 |
| Availability | In Stock |
| Made In | China |
Recommended Pairings
- HYDROS Launch, HYDROS Start or HYDROS Minnow, the controller this kit plugs into
- IceCap 5 gallon ATO reservoir, a tidy container for top-off water
- HYDROS Sense Port 9 ft Extension Cable and Drive Port 9 ft Extension Cable, for a reservoir that sits farther away
- HYDROS Leak Detection Sensor, a flood alarm next to the reservoir
FAQ
Does this include the pump? Yes, the kit includes a DC micro pump, tubing, and mounting accessories.
What does triple optical mean? It uses three sensors for redundancy and precision to prevent overflow.
Do I need a HYDROS Control? Yes, it connects directly to a HYDROS Control Drive Port.
Is it suitable for nano aquariums? Yes, it’s perfect for small reef and AIO tanks.
Does it require extra power? No, it’s powered directly from the HYDROS controller.
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HYDROS Triple Optical ATO Kit


