Heavy Duty Toilet Bowl Cleaner works by using its organic formula to dissolve tough stains, mineral deposits, rust, and grime, leaving the toilet bowl clean and fresh. It breaks down the stains, making them easier to remove during the cleaning process. Heavy Duty Toilet Bowl Cleaner's potent acidic formula chemically reacts with tough stains, breaking them down and facilitating easy removal, including hard water stains, mineral deposits, rust, and grime. Its powerful action makes it effective in achieving a clean and stain-free toilet bowl. Absolutely! Heavy Duty Toilet Bowl Cleaner is formulated to tackle hard water stains by using its potent acidic formula to dissolve and eliminate the mineral deposits, leaving your toilet bowl clean and free from the unsightly marks caused by hard water. Regular use ensures a spotless and pristine toilet bowl. Removes, soap scum and hard water deposits on the hard surfaces of bathroom floors, walls, toilet, kitchen top, balcony Widely used over Mirrors and fittings like water taps, shower, washbasin taps, hard shower, faucet etc.