Vibrant Translucent Color: Choose from a stunning range of vibrant colors to complete your custom liquid cooling loop and enhance your system. Long Lasting Pre-Mixed Performance Coolant: Pre-mixed and ready to go right out of the bottle, with a long-life composition. Protects Copper, Brass, and Nickel: Won’t tarnish or damage your blocks, fittings or tubing, with advanced anti-corrosion and anti-bacterial inhibitors.