Bluelet Liquid Sterilizing EX Refills Power Wash [Bulk Purchase] (4-Pack)

With a 99%* sterilization rate, it prevents the occurrence of dark stains along the water's edge*, making cleaning easier. *Effective against the bacteria that cause dark stains along the water's edge. It does not sterilize all bacteria. Based on the results of testing in our laboratory. *This does not mean that dark stains will not occur at all during the period of use. Formulated with cleaning and stain-resistant ingredients, it coats the toilet bowl, preventing stains from adhering and keeping it clean. Effectiveness may vary depending on the environment and level of staining. It does not prevent staining in areas where water does not flow. It can be used for approximately one month (3 to 4 weeks) under normal use. The period may vary depending on the air temperature, water temperature, water volume, etc. The flowing water is colorless. This product is designed with consideration for its effect on the fixtures in the tank, toilets, septic tanks, and bacteria in the septic tanks.