Tec Protect 2 Clear 1000ml 18651 Every water cooling system needs coolant to transport the heat from waterblocks to the radiators. With Alphacool Tec Protect 2 Clear coolant, you get a ready-made mixture that can be used directly from the bottle which already contains all the necessary additives. Specifications: Boiling point 105° C Freezing point -10°C Colour Clear (not UV-active) Ingredients Osmose water(93,8%), Glysofor L (4,2%), RHOBA KLA (2%)