Alphacool Cape Kelvin Catcher (CKC) Coolant, 2500ml, Clear Coolant for PC water cooling application Compatible with copper, brass, platings such as nickel, chrome, anodized Aluminum, Plexiglas (PMMA), POM and plastics for pump casings Suppresses Algae and bacteria growth Non-odorous, transparent, non-irritant Non-flammable, not self-combustive, not explosive