CORSAIR Hydro X Series XL5 Performance Coolant brings your custom cooling systems color scheme to life, available in a wide choice of vibrant translucent colors. Pre-mixed and ready to use right out of the bottle, XL5 Performance Coolant includes anti-corrosion and anti-bacterial inhibitors that keep your custom cooling system running clean and cool. Formulated to protect copper, brass, and nickel fittings and blocks, XL5 Performance Coolant brings vivid color and cool temperatures to your custom cooling system.Vibrant Translucent Colour: 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: Wont tarnish or damage your blocks, fittings or tubing, with advanced anti-corrosion and anti-bacterial inhibitors.