EK-CryoFuel Solid non-transparent coolants are all based on patent-pending formula with vivid, long-lasting color stability. The coolant contains everything a high-end liquid cooling system requires for efficient thermal performance and providing the necessary protection for your water blocks. It carries the essential synergistic corrosion inhibitors and biological inhibitors - thus promoting long and safe operational life for your liquid cooling products and high thermal efficiency.The key feature of the innovative coolant formula is that it is not sedimenting after long hours of inactivity of the cooling loop. Designed specifically for computer liquid cooling systems, the EK-CryoFuel offers a 1-year shelf life from date of bottling.