Designed to look great in under normal and UV lights, Go Chiller Astro UV-Series is a pre-mixed, water-based computer coolant which uses a premium inhibitor formulation to protect computer cooling systems such as radiators, pumps, and water blocks, and ensures efficient thermal performance. The inhibitor formulation meets ASTM D1384 corrosion standards preventing foam, rust, corrosion, cavitation, scaling, oxidation and degradation of the cooling system. It is also not harmful to rubber seals or hoses. Astro UV-Series provides outstanding performance and low environmental impact. A long lasting coolant with exceptional color stability, Astro UV-Series is available in 3 UV-reactive colors to match your ideal build aesthetic.