Rain Clean Scent: Helps prevent tough stains. Cleans and freshens with every flush. Does not harm septic tanks. Bowl water not dangerous to pets; however, toilets should not be used as a source of drinking water. Try Clorox Toilet Bowl Cleaner with Bleach to kill 99.9% of germs! A list of this product's ingredients is available at Questions or comments? Please visit or call (800) 227-1860. Environmental Commitment: Box made from 100% recycled paperboard (minimum 35% post-consumer). Contains no phosphorus. Please recycle. Contains biodegradable surfactants. Disposal: Offer empty carton for recycling or discard in trash. Made in the USA.