1) To clean toilet bowls, flush toilet and add 4 ounces of this product directly to the bowl water. Swab bowl completely using a scrub brush or toilet mop, making sure to get under the rim. Let stand for 10 minutes and flush. 2) To clean urinals, add 2 ounces of this product to 48 ounces ( 1 1/2 quarts) of water. Flush urinal and apply solution with brush or toilet mop to urinal surface, making sure to scrub completely. Let stand for 10 minutes and flush. 3) For badly stained toilet bowls, flush toilet and use toilet mop to push water from the bowl over the trap. Press swab mop against bowl to remove excess water then saturate mop with 2 ounces of this product while holding bottle and applicator over bowl. Swab bowl completely making sure to get under the rim. Let stand for 10 minutes then flush. Rinse applicator completely.