CarPlan BSA001 Blue Star Antifreeze & Coolant Concentrate Down To -36C 2L x 3
About CarPlan. CarPlan Nº1. CarPlan Demon. For general UK conditions use a 40% solution (2 parts antifreeze to 3 parts water). For optimum protection down to -36°C use a 60% solution (3parts antifreeze to 2 parts water).