Blue coolant is intended for winter storage and for the freshwater side of cast-iron engines. The coolant is based on ethylene glycol, which provides effective frost and corrosion protection for the engine's internal cooling system during storage and operation.
The blue coolant is a safe choice for older and classic cast-iron engines, where the correct antifreeze is essential to avoid frost damage, rust, and deposits in the cooling system.
Key benefits
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Suitable for cast-iron engines
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Ideal for winter storage of the freshwater side
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Ethylene glycol-based for effective frost protection
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Protects against frost, rust, and corrosion
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Easy to mix in the correct ratio
Mixing ratio
