Need a high-quality coolant for your liquid-cooling setup? Get the Mayhems XT 1 Coolant Premix Red. These highly efficient, non-toxic, low viscosity coolants based on ethylene glycol. The XT1 coolant is extremely easy to pump especially at low temperatures so you'll have no difficulty using it. These coolants last longer than others due to its scale and biological inhibitors that help prevent fouling. Despite its superior cooling capabilities, the XT1 does not freeze solid.