Dissolves and deodorizes odors. Dissolves and deodorizes odors in the toilet tank. An eco-friendly deodorizer that uses BB bacteria. BB bacteria breaks down odor sources. It helps prevent flies and other insects from forming by reducing bad smell. Maintains effectiveness with continuous use. In addition to simple dispensing toilets, it can also be used for simple toilets and portable toilets. Contents: 15 bags Number of uses: 3 packs for the first time, 1 to 2 packs per week Please adjust the amount of use depending on the temperature, the degree of odor or the size of the toilet tank and the number of users. The natural BB bacteria activity provides gentle results. It is recommended that you use it continuously. Since it uses live microorganisms, please avoid using it with something that has antibacterial or antibacterial properties. Shelf Life: 5 years.