I've always used West Marine's -50F antifreeze for years without problems around the Chesapeake Bay area. Currently on the hard and not allowed to run electical for heating. Anyone up North have experience as to whether this stuff can really withstand a few sub-zero nights?
Pure Oceans -50F Specs:
Mike
Pure Oceans -50F Specs:
- Provides burst protection to -50°F (-46°C) and freeze protection within a range of +12°F to +16°F (-11°C to -9°C)
- When testing with a refractometer or hydrometer designed for use with propylene glycol, freeze point readings on the PG scale will range from +12°F to +16°F
Mike
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