I have used a lot of different anti freezes in my cars over a long period of time but one of the best ones I have used (but not using it at the minute) is Castrol Antifreeze Concentrate. I bought my large plastic bottle with screw top for £8.99 for a one litre bottle. For anyone who doesn’t know what an antifreeze is, it is basically a coolant for the car, and this particular one is mono ethylene glycol based. I liked to use this one as it was recommended to me by a friend who was a garage mechanic for a number of years. He explained to me how this particular concentrated coolant worked by ...
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