Starbrite® -50°F (-46°C) Non-Toxic Antifreeze provides excellent cold weather and corrosion protection for drinking water systems and all engines. Its premium additive package prevents corrosion of aluminum, copper, brass and solder, but will not harm rubber, seals or hose materials.
Protects water systems & engines from freeze ups during storage.
Use in boats, RVs, vacation homes, pools.
Safe for copper, brass and all types of plastic.
30% formula contains corrosion inhibitors.