I do the same. Also be sure to lower the drive so it can drain and run the bilge pump to clear it out.
Generally speaking I do not like RV antifreeze because its effectiveness drops off very rapidly as it gets diluted. It also evaporates very quickly: I used it to winterize my toilets one year and by the time I got back in the spring it had almost completely evaporated! Fortunately the sewer gas smell wasn't too bad and now I just stuff rags in the traps. Maybe its okay for a closed RV water system, but I don't like it for anything else.
----- Original Message -----
From: "BC Howk" <bchowk@...>
To: omc-boats@...
Sent: Tuesday, October 13, 2009 2:10:46 PM GMT -05:00 US/Canada Eastern
Subject: Re: [OMC-Boats] RV Anti-Freeze for winterizing?
Where would you put the antifreeze in? I usually just open the petcock valves and drain the block, no water to freeze...
On Oct 13, 2009, Nexi <ohnoitsnexi@...> wrote:
A neighbor suggested using RV Antifreeze for winterizing the block because it's the least expensive. Any thoughts?
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