Prevents Drain ClogsThe Foaming Drain Cleaner help remove hard water deposits, rings, stains, and odors from your toilet tank.High-density formula sinks through water and clings to pipes to liquify tough drain obstructions, clearing the stain from your sink a nd drain. No odorNo harsh fumes or residue, just cleaner pipes and less odor, Improves washing and helps to better clean the water jet stream. Safety MaterialsSink and Drain Cleaner is made from Gentle formula,no harm to the pipeline. It won't damage your drains, pipes. Easy To UseSimply pour drain foam cleaner into the toilet tank, no scrubbing required. Does the nasty job for you using a powerful cyclonic foam action that removes build-up, slag and rust marks. Widely ApplicableIt is the best cleaner for home kitchen, vanity, bathtub, kitchen water pipes, toilets, bathrooms, floor drains, oil clogging, submerged sewage pipes and sink pipes.