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joebedford's avatar
joebedford
Nomad II
Oct 31, 2021

Can't user 5er again this winter - replace red goo in pipes?

For various reasons my RV won't be used again this winter. It was winterized a year ago. Does the alcohol evaporate (to where I don't know)? Should I replace the RV antifreeze before the second win...
ktmrfs's avatar
ktmrfs
Explorer II
Nov 01, 2021
Boon Docker wrote:
Strangely the freezing point of ethylene glycol drops dramatically when water is added to it.


sort of. the freezing point of the combination drops until you get to about 70/30 antifreeze/water. then the freezing point begins to rise again. Luckily the turnover freezing temp is around -70F,

pure ethalyne glycol freezes at about 10F.

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