What causes bathtub stains?
Incorrect cleaning procedures. The greatest area of bathtub abuse occurs in the cleaning process. Never use steel wool, abrasive pads or applicators on the bathtub. These will cause immediate damage to most bathtub surfaces. Never use abrasive substances on sanitaryware. It is very tempting to try to remove marks with these substances but greater damage is always the end result. The most important substances to avoid are abrasive powders and creams. Considerable damage can also be done to the bathtub by using acids or other chemical substances such as drain cleaners. Of these, chlorine, pool acid, bleach, vinegar, toilet cleaner and lemon juice must strictly be avoided. Most of these substances will remove stains from a bathtub, but the surface glaze layer of the bathtub will also be permanently damaged in the process. The damage that these products do can be described as follows. They clean the surface by “scratch” cleaning the dirt off. This leaves tiny scratches on the surface which
