EK-Ekoolant EVO UV BLUE (concentrate 100mL) Color: UV Blue 100mL Concentrate - to be mixed with 900mL of distilled water, yielding 1L of coolant total EK-Ekoolant is a high efficient, non-toxic, anti-corrosion coolant, and biologic growth coolant with a shelf life of 3 years from the date of bottling Eco-Friendly (90% biodegradable in 10 days) Low Electrical Conductivity