BoatLIFE Bilge Cleaner is a one-step aqueous oil-water soluble cleaner that emulsifies oil and scum. The hydrotrope formula combines oil-water solubility together with cleaning and deodorizing power for bilges and fish/bait wells. Breaks down oil, grease, and grime in salt or fresh water. Biodegradable, no phosphates, non-corrosive to marine metals. Self-activatingConcentrated