Easy Tank Cleaning Disclaimer : This video is for educational purposes only. The method shown uses oxalic acid and hydrochloric acid, which can be harmful if handled improperly. Always wear gloves, eye protection, and ensure proper ventilation. Avoid inhaling fumes or direct skin contact. Keep chemicals away from children and pets. For large water tanks, professional cleaning or safer alternatives are recommended. The creator is not responsible for any misuse, harm, or damage caused. #TankCleani