Thermal Grizzly Hydronaut 3ml Thermal Grease is designed to become the perfect substitute to the every day thermal paste that comes already included with CPU hardware. The Hydronaut series is the ultimate choice for large-scale, demanding, overclocked, air and liquid cooling setups. The larger 3ml tube contains a specially designed formula that features silicone free, ROHS compliant, high water resistance and surface protection elements, making it an ideal choice for maximising and promoting reliable thermal conductivity and performance.