SPECIAL EXTENSION TUBES : One L-shaped 90 degree extension tube (Length: 7.9 inches/20 cm) and one 45 degree bent extension tube (Length: 3.9 inches/10 cm). They can help remove debris from hard-to-reach areas in the fish tank, helping to keep the fish tank clean. LONG SYRINGE : The 50ML long pipette for fish tank is 17.7 inches/45 cm, and can be up to 25 inches/65 cm long when connected to the extension tube. When you need to do precision work, you can keep your hands dry without overextending your arms. Please combine the bulb and pipeline by yourself. SAFE MATERIALS : The fish tank long feeder is made of high-quality acrylic and rubber materials, which is safe for fish and corals, easy to clean and disassemble, not easy to break like glass, and has a long service life. VERSATILE CORAL FEEDER : This long pipette feeds corals or fish directly, and is also great for adding liquid nutrients to freshwater plant tanks and blowing away any algae or food debris that may accumulate on the rocks. WARM NOTICE : Ensure that the long pipette tube is washed and cleaned before each use; Turn off your circulation pumps when feeding your coral or other fish; When applied it in hot water, the temperature of the liquid should not exceed 176 ℉. Coral Feeder Fish Feeder Waste Clean Tool