- Compatibility: This water refill product is designed to work with standard domestic Coca-Cola bottles, making it easy to source your refill container. - Versatile Use: Ideal for aquariums with glass thicknesses of 5 mm to 8 mm. The product features two settings to accommodate 5 mm and 6 mm thick aquarium walls. - Efficient Water Filling: The unique design allows for precise filling. The angled mouth ensures that when the short end is exposed to the water surface, it begins to refill automatically, ceasing once the surface is fully covered. - Adjustable Hose Length: Customize the hose length to your desired water level, giving you greater control over your aquarium's maintenance. - Practical Applications: 1. Easily maintain water levels in freshwater and saltwater aquariums, ensuring a stable environment for aquatic life. 2. Simplify water changes during routine tank maintenance, reducing effort and time. 3. Use in smaller tanks or setups where conventional refill methods are cumbersome. This product seamlessly combines functionality and ease of use, making it an essential tool for any aquarium enthusiast.