Our toilet cleaning tablets contain baking soda, lemon extract, and sodium hypochlorite. It can effectively remove stubborn dirt such as urine scale, water scale, rust, etc., while also removing the foul odor and pungent smell in the toilet during each flush. Its usage is simple: take a effervescent tablet and place it in the toilet, let it sit for 10 minutes to completely dissolve, then press the toilet switch to flush. After use, it can quickly remove various stains and pungent odors from the toilet, efficiently sterilize, and make the toilet clean and hygienic.