Voltage- DC12V

For additional information on alkalinity and other important aspects of marine chemistry for marine aquaria

Additionally

Recomended air tubes: 5 mm silicone  tube or 6 mm plastic tube

Calcium chloride

Boyu Instant Siphon Gravel Cleaner GC-303 24” bacteria Voltage- DC12VModel GC 303 24 Features Innovative Auto Siphon Pump, Quick & Easy. On off flow control valve. Intergrated gravel fish strainer 6 Tubbing included. Direction Submerge gravel vaccum cleaner inside aquarium. aplace other end of hose into bucket. Open up Flow Control Valve. Move the cylinder up and down rapidly until a siphon is created. Remove fish waste and debris by lowering gravel vaccum on gracel. Adjust Flow control valve as needed for different