Can You Mix Red and Green Coolant? The Truth Mechanics Reveal

Can You Mix Red and Green Coolant? The Truth Mechanics Reveal Short answer: don’t do it. While a splash of the wrong color won’t instantly melt your engine, blending red (organic‑acid technology, OAT) and green (inorganic‑acid technology, IAT) coolants creates a chemical cocktail that can hurt corrosion protection and cooling performance. Below we break down