ECO-FRIENDLY DESIGN & DEODORIZING PROPERTIES: In addition to its powerful spot eliminating properties, bubble pills work well to eliminate odors within short period of time without the need for additional products such as chemical heavy mist or sprayers. Instructions for use: to use this product effectively, just open the package and place the fizzing disc directly into the toilet bowl. For better results with stubborn stains or dirt buildup, it is recommended to pour hot water into the bowl in advance. Primary use: blister cleaning discs effectively clean hard-to-reach areas inside the toilet bowl. It not only removes visible dirt, but also repairs invisible dirt, deodorizes from the toilet in one step, and helps prevent future chalky plaque formation. Product name: "Toilet Cleaning Pills", a cleaning solution designed specifically for toilets. Its primary function is to clean the interior of the toilet, remove stains and prevent build-up. Stain removal process: After allowing enough time depending on how dirty the toilet (either 10-30 minutes or up to 3 hours), use the standard toilet brush to easily rub any remaining residue before rinsing thoroughly with water as part of the final steps.