Wave-generating device used in aquarium, has gripping portion with magnets and wave-generating portion also with magnets, in which magnets are arranged opposite each other with aquarium wall arranged in between them

摘要

The device (10) has a wave-generating portion (12) arranged with magnets (16), and a gripping portion (20) also arranged with magnets (22). The magnets are arranged opposite each other with the wall (104) of an aquarium (100) between them. The gripping portion is located outside of the aquarium. An independent claim is included for cleaning an aquarium using the wave-generating device.