Drano Professional Strength Crystals - 6 Each (SJN65588)

Thanks to its unique churning action and heat, this clog remover works to melt and break down grease to remove stubborn kitchen clogs in just 15 minutes. Professional-strength crystals are safe for all pipes, septic tanks and cesspools. Plus, you only need a small amount to get the job done so one container offers lasting use.