Always there for you! Lasts up to 300 flushes! Power detergents clean with every flush! Blue water with every flush.Helps fight hard water stains & buildup. Powerful detergents help keep your toilet bowl clean in between scrubbing. Cleans & deodorizes with every flush. Safe for plumbing & septic systems. It is not recommended that pets drink toilet bowl water. Contains surfactant and fragrance allergens.