JBJ Nano Auto Top Off System

Original price was: $109.95.Current price is: $96.96.

JBJ Nano ATO is the perfect upgrade for your aquarium. Our most reliable auto-top-off system with dual optical level-sensors for ultimate precision. Enjoy the versatility of a digital sensor without compromising the security of overfilling your tank.


7 in stock

JBJ Aquatic


Looking for the best deal on a JBJ Nano Auto Top Off System? Look no further than! Known for their commitment to quality and customer satisfaction, offers the JBJ Nano Auto Top Off System at an unbeatable price.

The JBJ Nano Auto Top Off System is a must-have for any aquarium enthusiast. This innovative system helps maintain optimal water levels in your aquarium by automatically adding freshwater as needed. Say goodbye to daily refilling and manual adjustments!

What sets the JBJ Nano Auto Top Off System apart? Its compact design is perfect for nano and small aquariums, ensuring a seamless fit without taking up valuable space. Plus, its reliable performance ensures consistent water levels, promoting a stable and healthy environment for your aquatic pets.

At, you can trust that you’re getting a genuine JBJ product at the best price possible. With their user-friendly website, secure checkout, and fast shipping options, shopping for your aquarium needs has never been easier or more affordable.

Don’t miss out on this fantastic deal! Visit today to get your JBJ Nano Auto Top Off System and enjoy hassle-free aquarium maintenance like never before. Shop now and experience the difference!

With the JBJ Nano Auto Top Off System enjoy a precise water level and peace of mind with the JBJ Dual Sensor auto top off. With the included sensor cover you never have to worry about tank inhabitants causing false readings again, as an added bonus this cover will prevent sudden surface agitation from causing fluctuating water levels.

The protective cover prevents tank inhabitants from covering the optical sensor. The protective cover reduces sudden changes in light or water surface disruption from affecting the sensor. This ensures accurate water level measurements every time.

The complete waterproof design allows the sensor to be mounted virtually anywhere. The magnetic mount can hold securely up to 15 mm glass thickness.


Everything is included, just install and enjoy consistent water and salinity levels. Specifications:

  • Power Input – 120V AC, 60Hz
  • DC Pump Max Head – 7.2 feet
  • Pump Flow Rate – 74 gph
  • Max Mounting Tank Thickness – 0.5″
  • Pump Dimensions – 1.7″L x 1″ W x 1.45″H
  • Warranty – 12 Months
  • Water level detection – Optical
  • Tubing Diameter: 8mm OD | 6.5m ID
  • Tubing Length: 7 Feet

Additional information

Weight 5 lbs
Dimensions 10 × 10 × 4 in


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JBJ Aquatic
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