Redline Water Wetter Cooling Additive - Cool Down that Radiator!Redline's Water Wetter gets the temperature down. Simply pour this bottle in your radiator and watch the temperature hand come down. 12 oz. WaterWetter 12oz Unique agent for cooling systems that doubles the wetting ability of water Rust and corrosion protection allows for use of straight water in racing or reduced antifreeze levels in warm climates Improves heat transfer and reduces cylinder head temperature Use one bottle for most passenger cars and