- Gravel Cleaner Kiesreiniger: A tool for cleaning gravel in the aquarium, helping to keep the substrate clean. - Aquarium Cleaning Suction Tube: A suction tube used for aquarium cleaning, useful for removing debris and dirt. - Aquarium Water Change Device: A device for changing the water in the aquarium, ensuring water quality. - Aquarium Pump: A pump for the aquarium that can circulate water, maintaining water movement. - Drain Tube for Aquarium Glass Cleaning: A drainage tube for cleaning the aquarium glass, making the glass clear. Use scenarios - Routine substrate maintenance during water changes: Use the gravel cleaner to clean the gravel while performing water changes to help keep the substrate clean. - Debris and dirt removal: Use the suction tube to remove debris and dirt from the tank during regular cleaning sessions. - Water quality management and glass visibility: Use the water change device to replace a portion of tank water and the drain tube to assist with cleaning the aquarium glass for better visibility.