Splash RV & Marine Antifreeze Formulated for -50 degrees protection Designed for use with recreational vehicles, boats, spas, pools, and vacation homes.Convenient, ready-to-use solution Improves user safety when compared to ethylene glycol-based products. All ingredients are Generally Regarded As Safe (GRAS)Safe for incidental contact with people, pets, and wildlife. Readily biodegradable and non-toxic to aquatic life