•Pour 60 ℃ hot water into the toilet, open the package, take out the bubble powder and put it directly into the toilet or water tank for about 10-30 minutes.
•If there is stubborn dirt, let it stand for 2-3 hours and use a toilet brush to do basic cleaning, rinse with water to easily remove stubborn stains and odors(It needs to be used with the toilet brush, the effect will be better.)