NC Iowa | E718 - 11/7/2013 08:00
Is there a difference between RV anti freeze and boiler anti freeze? Both are propylene glycol, right? Anti corrosion shouldn't be a factor for my use. Only polyethylene and stainless, so not any dissimilar metals to bother.
i think rv antifreeze is alcohol based. you can get it for around $3 a gal. propylene glycol boiler anitfreeze like cryotek is about $17 a gal, so must be a difference.
http://www.menards.com/main/heating-cooling/hvac-cleaners/cryo-tek-...
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Tell me the difference between auto antifreeze and plumbing antifreeze
