Super Drainex Sink Cleaner Powder is designed for regular use in drainex, sink pipe, grease traps, gullies, pipework & drainage block remover. It's working on contact to break down clogs and is specifically designed to destroy tough, greasy kitchen clogs unclog kitchen sinks. Super Drain Cleaner safely and quickly removes blockages of sink pipes and cures odors problems of all kitchen and waste outlet pipes. Drain Cleaner Powder is safe to use the product and will not damage porcelain, plastics, stainless steel, chrome, or ceramics. Easy to use in Bathroom sink, bathtub, shower, toilet, kitchen sink, floor drains, slop sinks, urinal, RV drains.