Spring Fresh Sanitation Toilet Duck Automatic Blue Single with its unique spring fresh fragrance is exactly what you need to keep your toilet bowl clean. Just drop into the tank and it silently goes about its work of removing grime with every flush. It also removes water stains and soap scum. No extra effort is needed on your part to maintain hygienic toilets. The cleaning is handled easily leaving you with more time for yourself. * Easy to use * Sanitizes toilet bowls * Spring fresh fragrance Cleans toilet bowls and removes soap scum and water stains effectively and effortlessly. Just For You:These tablets clean up toilet bowls with every flush and maintains the hygiene in your bathroom. A Closer Look: Toilet Duck Automatic Blue Single is formulated to sanitize and bring spring fresh fragrance into your bathroom. You Won't Find: Harsh chemicals Get Started: Before dropping the tablet into the tank, flush toilet. When water level is low, drop tablet upright into the right side of the tank. Wait 10 minutes before flushing first time. When color disappears, it's time for the next tablet.