Maintain consistent water levels in smaller reef and freshwater aquarium systems with the 5 Gallon Aquarium Auto Top Off Reservoir. Designed for reliability and clean integration, this compact ATO solution delivers dependable performance without unnecessary bulk. Built from high-quality domestic cell cast acrylic, the minimalist design blends seamlessly into your setup without drawing attention away from your display. Choose black or white. Ships from Florida with a Luna Reef warranty.

Dimensions:  7.75"L x 11.75"W x 15"H  

FEATURES

• True 5- gallon volume
• Flush, no-warp drop-in lid
• Large access opening for easy cleaning and refilling
• Sleek design with gray accents
• Colored sides, back, top and bottom to reduce light exposure
• Includes one 1/4" tubing push-fit bulkhead
• Access ports for power cords and water lines
• Clear front panel with laser-etched graduation scale