3. Rinse and sterilize: rinse the tank nicely and use certified disinfectants to be sure water sterilization. Sometimes, the cap might be difficult to eliminate. You might need a Unique Instrument to open it. Seek the advice of the user manual for your boat or your specific water technique.[6] X https://collin8dmtb.blogkoo.com/a-review-of-cleaning-and-sterilizing-water-tanks-in-al-rass-50755462