Kohler STERLING 402040 Homeowner's Manual page 3

Care and Cleaning (cont.)
WARNING: Risk of property or product damage. Do not use
in-tank cleaners in your toilet. Products containing chlorine
(calcium hypochlorite) can seriously damage fittings in the
tank. This damage can cause leakage and property damage.
Sterling shall not be responsible or liable for any tank fitting damage
caused by the use of cleaners containing chlorine (calcium
hypochlorite).
Sterling 3 1058763-5-A