Red Sea ReefATO+ Upgrade Kit – Smart Upgrade for Your REEFER System
TheRed Sea ReefATO+ Upgrade Kitis the perfect solution for REEFER owners looking to enhance their system with smart, reliable auto top-off and temperature monitoring capabilities. Designed to integrate seamlessly into existing Red Sea REEFER aquariums (G2 and older models), this upgrade kit brings the same advanced features found in the latest G2+ systems.
This all-in-one kit includes a high-precisionoptical water level sensor, asolid-state temperature sensor, a quietDC top-off pump, and mounting accessories—everything you need to easily install theReefATO+system into your sump. Once installed, the system connects via theReefBeat app, giving you real-time data, alerts, and full control at your fingertips.
Key Features:
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Upgrade for Older REEFER Systems:Brings G2+ ATO features to previous models
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Smart Auto Top-Off System:Maintains stable water level to ensure salinity consistency
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Digital Temperature Monitoring:Alerts you to sudden temperature changes via ReefBeat
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Precise Optical Sensor:Reliable water level detection with no moving parts
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Quiet, Durable DC Pump:Smooth and efficient top-off delivery
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Easy Installation:Comes with all necessary mounting hardware and clear instructions
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ReefBeat App Control:Monitor and manage your ATO and temperature from your smartphone
Whether you’re upgrading for convenience or added peace of mind, theRed Sea ReefATO+ Upgrade Kitgives you the reliability and smart features of Red Sea’s latest systems—without needing to replace your existing tank.
Installation Kit
- Reefer Aquarium ATO sensor clip
- 10′ – 1/16″ thick silicone tubing (ID 5mm / 0.2″)
- Silent flow – Tube holder (clips on 4 – 12mm / ½” glass)
- Siphon Breaker






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