Kaboom Scrub Free is a revolutionary toilet cleaning system that takes away the worry and hard work from toilet cleaning for up to three months. Its powerful bleach-based formula will clean and refresh your toilet every time you flush without damaging tank parts and with no hard scrubbing. Forget the hassle of every-day maintenance, handling nasty chemicals or using a smelly brush, 100 percent tough, over 80 percent of the consumers who've tried Kaboom Scrub Free would recommend it to a friend. Installation takes less than 2 minutes and is a piece of cake.