INFOGRAPHIC: Methanol vs. Salt Brine

When winter returns and temperatures plunge below freezing, PROs need a way to prevent freeze-ups. Among the topics of discussion related to winterization is which method is the best. As with any comparison discussion, there are pros and cons, and the best option depends on what you value most.

Two solutions that are frequently used are methanol and salt brine. In the infographic below, we compare the two and mention some of their primary advantages and disadvantages. Consider each and decide whether methanol or salt brine is the right winterization solution for your business.

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Methanol vs. Salt Brine

Methanol

• Prevents freezing down to -9°F
• Maximum methanol-to-water ratio = approximately 42 oz/gal
• Easy to mix – just pour into the tank
• Non-corrosive and safe for steel
• Flammable and toxic
• More expensive

Salt Brine

• Prevents freezing down to 0°F
• Maximum salt-to-water ratio = 2 lbs/gal
• Mixing takes time – a mixing station is required
• Corrosive to steel
• Safer to handle and use than methanol
• Less expensive