Ideal for complete aquarium cleaning or quick maintenance. But it is not suitable for cleaning fine sand Easily removes residue from the substrate without disturbing the lower layer of gravel. Please pay attention to the usage way in the video and detail page. Improper use can cause blockage. The automatic pump removes water and fills the aquarium with water. Adjust the height to your needs This eco-friendly product supports aquatic life with a ‘green’ approach This unit can be used in freshwater aquariums and saltwater with a water depth of up to approx. 70 cm
