Not only is Happy Campers a very effective odor neutralizer, it is also very cost effective. Happy Campers highly concentrated water-activated mineral blend eliminates odor without covering it up with perfume like many of the chemical deodorant treatments. Happy Campers works most like an enzyme or bioactive treatment but is not affected by residuals. Happy Campers performance is not affected by extreme hot or cold. Happy Camper is a highly concentrated monohydrate blend of minerals and micro nutrients with enough waste treating power that 1 scoop of Happy Campers will treat a 40 gallon black tank.