FEATURE: -Efficient Breakdown -Remove Odors -Prevent Clogging -Pipe-friendly -Non-irritating Formula - EFFECTIVE CLOG REMOVER: sink uncloggers feature a powerful formula, which can quickly degrade hair, food waste, grease, and toilet paper, helping you out of the clogged drains and pipes. For slight clog, please leave it still for 15-30 Mins. For stubborn clog, leave it still for over 12 hours before flushing. - MILD INGREDIENTS: shower drain cleaners are made of powerful yet mild ingredients that are safe for almost all pipes and septic systems. They are non-toxic and contain no bleach or harsh elements at all. (Note: Like most drain cleaners, bathroom sink clog removers contain chemical ingredients that can be harmful if swallowed or in contact with the skin or eyes.) - WIDE APPLICATION: These multi-purpose sink clog removers features a non-acid, biodegradable formula that is safe for various types of pipes, no matter metal or plastic pipes. You can rest assured that they are suitable for your kitchen sinks, bathroom tubs, showers, floor drains, urinals, RV drains, and more. - HOW TO USE STEP1--Before use, observe the blockage in the pipeline STEP2--Pour the dredge powder into the blocked pipe. After waiting for 5 minutes, add warm water for flushing The water temperature should not be too high STEP3--After waiting 30 minutes, Then pour water to flush the pipe STEP4-- If the pipe has not been dredged, repeat the operation - WARM TIPS: For clogged sinks, empty the standing water first, and then use the product to clear it. Otherwise, it will be invalid.