SuperFish Aquarium Auto Top Up System
With the Auto Top-Up aquarium refill, you can easily maintain the water level of your aquarium, even when you are not at home.
Screw the Auto Top-Up on a clean PET bottle filled with 1-2 liters of freshwater.
Install the Auto Top-Up with the bottle on your aquarium (glass thickness 3-10 mm).
The Auto Top-Up automatically replenishes the evaporated aquarium water.