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 Catalina/Capri 25/250 Sailor's Forums
 General Sailing Forum
 Winterize - antifreeze in bilge?
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JB
Navigator

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USA
114 Posts

Initially Posted - 11/06/2011 :  15:33:13  Show Profile
I have to keep my boat some distance from my home covered with a tarp. Last year the tarp blew out and water found its way into the bilge. Since it freezes here, should I put antifreeze in the bilge? It is a Catalina 25 wing keel.

1988 C25 Wing Keel Std Rig Tohatsu 9.9 Tiller Steering and 2003 C250 Wing Keel Std Rig Inboard Diesel Wheel Steering

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Steve Milby
Past Commodore

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USA
5902 Posts

Response Posted - 11/06/2011 :  16:01:08  Show Profile
I put some in my bilge, and also ran my electric bilge pump to winterize the pump and hose.

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Renzo
Admiral

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USA
621 Posts

Response Posted - 11/06/2011 :  16:04:24  Show Profile
Couldn't hurt,but I think you would be better off developing a sturdier cover system. Searching the forum should give you some ideas.

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Voyager
Master Marine Consultant

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USA
5381 Posts

Response Posted - 11/06/2011 :  20:39:48  Show Profile
Will the non-tox antifreeze adversely affect the stainless steel bolts? I'm not certain that a little ice in the bilge will hurt much (I could be convinced otherwise), but I'd be concerned that it could attack the stainless bolts in some way. ??????

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Prospector
Master Marine Consultant

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Canada
3159 Posts

Response Posted - 11/07/2011 :  04:59:20  Show Profile  Visit Prospector's Homepage
I have gone both ways. The antifreeze will leave a sticky film that is hard to remove come spring. Now I usually don't bother.

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pastmember
Master Marine Consultant

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2402 Posts

Response Posted - 11/07/2011 :  09:41:10  Show Profile
How about a drop light?

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John Russell
Master Marine Consultant

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USA
3444 Posts

Response Posted - 11/07/2011 :  09:55:06  Show Profile
Given the shape of the bilge, expansion of water when it freezes shouldn't be a problem. So, I wouldn't bother.

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Stinkpotter
Master Marine Consultant

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Djibouti
9081 Posts

Response Posted - 11/07/2011 :  11:22:24  Show Profile
I used to put some pink stuff in the sump, and my keel bolts remained shiny... (Right Bruce?) I suspect if that stuff could attack stainless, it would not be "non-toxic", suitable for potable water systems.

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Voyager
Master Marine Consultant

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USA
5381 Posts

Response Posted - 11/08/2011 :  20:04:54  Show Profile
Yes Dave, last time I checked they were still shiny. Wondering whether in spite of the shine they're ready to snap off? I could try unscrewing them, but if it works, why fix it?

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Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 11/09/2011 :  08:08:47  Show Profile
Testing to failure is the only absolute measure. Get a big torque wrench and crank them down until the break and you'll know how strong they <u>were</u>

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JimGo
Admiral

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USA
962 Posts

Response Posted - 11/09/2011 :  09:24:01  Show Profile
Dave, I'm not sure Bruce is strong enough to do that. Are you volunteering to add some extra torque?

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Dave5041
Former Mainsheet Editor

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USA
3758 Posts

Response Posted - 11/09/2011 :  14:08:59  Show Profile
I don't think my torque wrench is big enough.

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