Exclusive URUQ Compatibility: ONLY compatible with URUQ 2gal black aquarium starter kits (ASIN: B0DG8K2CDQ, B0DJ8H1BXV, B0DG8HZMZV). Designed specifically for seamless integration with URUQ aquarium setups. If the pump doesn’t start, check the power connection and ensure the internal rotor is clear of debris. Reach out for assistance if the issue persists Enhanced Water Circulation & Oxygenation: Easily adjust water flow and pressure, enhances oxygen levels, effectively filters impurities, and boosts water circulation, ensuring a stable and healthy environment for your fish Ultra-Quiet Pump: Operates under 35dB, ensuring 24/7 circulation without disturbing your work or sleep. It creates a peaceful environment for your fish, allowing you to enjoy the beauty of your tank in a quiet setting Easy to Install & Clean: The detachable design allows quick removal and cleaning, reducing time by up to 70%. When used with the outlet hose, the automated cleaning process and one-click drainage enhance the ease of use experience, making maintenance effortless Pump Maintenance Tips: Aquarium pump scale buildup can reduce performance or damage the pump. For optimal operation, it is recommended to clean the pump every 1-2 weeks Only compatible with URUQ 2gal aquarium starter kits (ASIN: B0DG8K2CDQ, B0DJ8H1BXV, B0DG8HZMZV). The reliable and durable motor does not produce much noise, giving you a quiet environment.