Our Automatic Toilet Cleaning Effervescent Tablets Contain Cross-Linked Carboxymethyl Cellulose And Lemon Extract. It Can Have The Functions Of Decontamination And Deodorization. It Can Effectively Clean The Surface Of The Toilet, Soften Water Quality And Improve Cleaning Efficiency. It Can Dissolve Scale. Cleaning Removes Dirt, Restores The Brightness Of The Toilet, And Helps Improve The Cleaning Effect. It Can Kill Harmful Microorganisms Such As Bacteria And Viruses, Ensuring Toilet Hygiene. Its Usage Method Is Very Simple: 1. Put An Effervescent Tablet In The Toilet; Let It Stand For 3 Minutes To Completely Dissolve, And Then Perform A Basic Cleaning Of The Toilet. 3. Press The Toilet Switch To Flush And Clean. The Powerful Formula Of The Automatic Toilet Cleaning Effervescent Tablet Quickly Dissolves Dirt And Scale. Regular Use Helps Prevent Dirt From Returning. The Unique Effervescent Tablet Design Makes It Easy To Place In The Toilet Tank, Which Is Convenient And Practical.