2.1L Gravity-Fed Nano Auto Top Off System

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Out of stock

Discontinued by Bulk Reef Supply
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Take a vacation knowing your water levels are under control!

  • Simple over-tank, gravity-fed automatic top off design
  • Power-outtage-proof! No electronics means less chance of failure
  • Easy to set up and maintain drip-feed tube system
  • Clear acrylic construction wont distract from tank aesthetics


The FL!PPER Automatic Top Off System is the perfect ATO solution for nano tanks under 20 gallons. It uses simple physics to keep your aquarium water level steady without the need for electronics, floats, or switches. The resulting stable water levels will help maintain consistent paramenters, keeping your tank happy and healthy. Suitable for both freshwater and saltwater aquariums.



Rec. Aquarium Size - 20 Gallons or Less

Mounting Legs - Suitable for tanks 16-20" in Length

Capacity - 0.55 Gallons / 2.1 Liters

Material - High-quality clear acrylic


What's Included?

1x Acrylic Reservoir / ATO system

2x Silicone tubes

2x Metal mounting legs

1x Seal plug

More Information
UPC 023632139139
Dimensions 15" x 5" x 6"
Included Mounting Mounting Legs
Control Type Preset Plug & Play (No Controls)
Pump Included No
Additional Notes Suitable for tanks 16-20" in Length
Water Level Detection Gravity-Based
Total Volume 2.1L / 0.55 Gallons
Color Clear
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Product Questions

What are the dimensions of the box? Please and thank you
Question by: Brandon Stiles on Jan 9, 2023, 10:20 PM
15 x 5 x 6 inches
Answer by: Trista Briese (BRS Staff) on Jan 12, 2023, 3:31 PM