I was planning to keep the boat in the water for a while up here in
Boston. I was thinking about draining all the fresh water out and
replacing it with anti freeze. either I am either too lazy or worried
that if I disconnect and bypass the hot water heater I will mees it
up. I am wondering if anything will happen to the antifreeze in the
next month or 2 if it gets heated by in the water heater. I am
planning not to do much at this time to the waste water sytem as I
like having some conforts.
What do you think? can I just put antifreeze in the fresh water sytem
or do I really need to disconnect the water heater from the loop?

thanks