The biOrb Multi-Cleaning Tool is a versatile tool designed to expertly clean all areas of your aquarium. With its soft silicone brush and gentle blade, you can easily scrub decorations, acrylic, and the outside of the bubble tube without causing any damage. The handle of the tool also features silicone ribs that allow for easy cleaning of the inside of the bubble tube, removing any deposits that may have accumulated. Additionally, the tool's silicone end can be used to grip and replace the air stone, making it a convenient option for maintenance. For larger aquariums, the telescoping handle can be extended from 16.5 to 21.5 inches, providing an extended reach for easier cleaning. With regular use of the biOrb Multi-Cleaning Tool, you can ensure that your aquarium remains clean and clear, keeping its inhabitants happy and healthy. This tool is suitable for all biOrb aquariums.