A miniature aquaristic cooler for small freshwater or marine aquarium. It has a form of a tiny module measuring 4 cm x 4 cm x 4 cm and powered with a cord with USB plug. It is designed to be installed on the edge of aquarium glass, just above the water surface.

NANO COOLER generates constant air movement making the water surface to move. Thanks to that the air-water contact area is increased, thus lowering the water temperature. The device is able to reduce effectively the water temperature in small aquarium of even few degrees Celsius, which usually proofs to be enough to keep the animals inhabiting it in good condition. At the same time it consumes just 1 W of electricity and does not make the slightest noise.

Thanks to the USB plug it can be plugged in not only to the electrical grid, but also, for instance, to a computer socket. It is perfect also for terraria causing light air movement and its better circulation.