Instant Power 1806 Toilet Tank Cleaner, 16 oz , White

Hard water deposits and other build-up accumulate in your toilet tank due to constant exposure to water. Just like the toilet bowl needs to be cleaned, so does the tank. Build-up can cause the toilet tank to look dirty and damage toilet components. Instant Power Toilet Tank Cleaner easily removes build-up and other deposits, leaving you a clean toilet tank and prolonging the life of toilet components.