No one likes cleaning their toilet. That's why you need MER-MAID. It's the automatic toilet bowl cleaner that cleans and freshens with every flush for up to three months! Just remove the tab and drop MER-MAID into your toilet tank. Immediately, MER-MAID goes to work, and — thanks to sustained-release technology — releases the perfect amount of ultra-strength cleaning solution that breaks down stains and residue and washes them away! When the water is blue, MER-MAID is working for you! Even a toilet that looks clean can be full of grime. But with MER-MAID, just one flush, and your bowl is clean and fresh!