Hydro X Series XL8 Performance Coolant brings your custom cooling system?s color scheme to life. VIBRANT TRANSLUCENT COLOR Choose from a stunning range of vibrant colors to complete your custom cooling loop and enhance your system?s look. 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 Advanced anti-corrosion inhibitors won?t tarnish or damage your blocks, fittings or tubing.