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 Winterizing & Springizing
 Antifreeze: -50, -60, -100???
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Author Previous Topic: Winterizing the hot water heater Topic Next Topic: To do while still in the water?  

GripB

RO# 18473

Posted - Sep 23 2011 :  16:29:55  Show Profile  Reply with Quote
Putting together my winterization list and was doing some price shopping today at West Marine (they have rebates on antifreeze). While I was there, a salesman suggested that I use -60 antifreeze (I'll be storing the boat on the hard in northern MD). Must I use -60? Would -50 be OK? Let me know. Thanks.

Greg
------------------------------------
2003 Cruisers Yachts 3372 (sold)
"More Lee'Sure Time"
2011 Boston Whaler 150 SS
"Just 4 Fun"

Homeport: Lakeland, FL

cwms

RO# 7357

Posted - Sep 23 2011 :  17:19:43  Show Profile  Reply with Quote
have you ever been in -50 degree weather? Or even - 20 degrees? I would hope that -50 AF is more than sufficient in MD.


Homeport: VA Go to Top of Page

32carv

RO# 24150



Posted - Sep 23 2011 :  17:37:03  Show Profile  Reply with Quote
The value of getting the -60 would be that if you had some water left in the system and it mixed with the antifreeze, the net dilluted result would be slightly better and have a lower freeze point than -50. Not much, but enough to make a difference?
Jim



Homeport: Sacandaga Lake Go to Top of Page

GripB

RO# 18473

Posted - Sep 23 2011 :  17:41:49  Show Profile  Reply with Quote
quote:
Originally posted by cwms

have you ever been in -50 degree weather? Or even - 20 degrees? I would hope that -50 AF is more than sufficient in MD.

I hear ya cwms and that's exactly what I was thinking, though I'm curious as to how accurate those ratings are.

Greg


------------------------------------
2003 Cruisers Yachts 3372 (sold)
"More Lee'Sure Time"
2011 Boston Whaler 150 SS
"Just 4 Fun"

Edited by - GripB on Sep 23 2011 17:44:08

Homeport: Lakeland, FL Go to Top of Page

GripB

RO# 18473

Posted - Sep 23 2011 :  17:43:23  Show Profile  Reply with Quote
quote:
Originally posted by 32carv

The value of getting the -60 would be that if you had some water left in the system and it mixed with the antifreeze, the net dilluted result would be slightly better and have a lower freeze point than -50. Not much, but enough to make a difference?
Jim

Interesting point Jim.

Greg


------------------------------------
2003 Cruisers Yachts 3372 (sold)
"More Lee'Sure Time"
2011 Boston Whaler 150 SS
"Just 4 Fun"

Homeport: Lakeland, FL Go to Top of Page

HOGAN

RO# 3813



Posted - Sep 23 2011 :  17:44:01  Show Profile  Reply with Quote
I use -50, as does our marina, you'll be fine with it.

_________________________


1999 Trojan 440 Express
2005 Scout 175 Sportfish

MMSI# 338049724




Surly to bed, surly to rise...

Homeport: Haverstraw Marina, Haverstraw, NY Go to Top of Page

CurrentSea

RO# 10265



Posted - Sep 23 2011 :  17:45:25  Show Profile  Reply with Quote
Been using -50 for years.
If done right, there is not water hiding anywhere!
Run engine up to temp before doing it.


2009 Regal 4080
Volvo Diesel IPS

Homeport: Anchorage YC - Lindenhurst, NY Go to Top of Page

GripB

RO# 18473

Posted - Sep 23 2011 :  17:53:16  Show Profile  Reply with Quote
-50 it is, especially after hearing from the boys in NY (HOGAN and CurrentSea) with their comparable (if not colder) winter climate than me.

Off to composing my next winterization question(s) .

Thanks again!

Greg


------------------------------------
2003 Cruisers Yachts 3372 (sold)
"More Lee'Sure Time"
2011 Boston Whaler 150 SS
"Just 4 Fun"

Homeport: Lakeland, FL Go to Top of Page

boatcomfort

RO# 32076

Posted - Sep 23 2011 :  20:09:27  Show Profile  Reply with Quote
-50 great enough for any winterization using the right amounts. One gl never enough just for a generator.


Homeport: New york Go to Top of Page

Golfman25

RO# 1239

Posted - Sep 23 2011 :  20:55:57  Show Profile  Reply with Quote
I use both. There is always a little residual water in my tank. I run the -50 thru to get most of the water out. Then 2 gal of -60 to give me piece of mind. After it mixes with the water, it is something less than -60. Good luck.


Homeport: Algonquin Go to Top of Page

LouC

RO# 10314

Posted - Sep 23 2011 :  22:58:21  Show Profile  Reply with Quote
Try putting a bottle of each of them in the freezer at zero, they will slush up and get hard, but not expand. That -50, or -60 is the burst temp of a water pipe, not freeze temp. They will start to solidify at about 15* F for the -50 and a bit lower for the -60. I use the -100 because it stays liquid way down to about -60 or so, that way even if some water did not drain, you will not have a problem...

1988 Four Winns 200 Horizon 4.3 OMC Cobra
1998 Jeep Grand Cherokee 4.0 Selectrac
2007 Jeep Grand Cherokee 5.7 Hemi Quadradrive II

Homeport: Long Island NY Go to Top of Page

rbeachhouse

RO# 32506

Posted - Sep 30 2011 :  08:46:14  Show Profile  Reply with Quote
I use -60 for engines and genny and -50 for the water system and AC. If you are thinking hard about it then the price difference is worth the peace of mind for $1 per bottle more for the -60.

R BEACH HOUSE
1988 34 Searay
1984 22 Mako

Homeport: NY Go to Top of Page

seabew

RO# 22559

Posted - Oct 26 2011 :  12:34:27  Show Profile  Reply with Quote
I have always followed my mechanics advice, start with -50 and finish with.
-100. The extra $$ is sure to be less than almost any repair.


Greg
Trojan 36 "Missy's Way"

Homeport: Stratford,Ct Go to Top of Page

CurrentSea

RO# 10265



Posted - Oct 26 2011 :  13:54:30  Show Profile  Reply with Quote
- 50 is fine, anything else is overkill


2009 Regal 4080
Volvo Diesel IPS

Homeport: Anchorage YC - Lindenhurst, NY Go to Top of Page

JVM225

RO# 28365

Posted - Oct 26 2011 :  20:11:17  Show Profile  Reply with Quote
I use -50 and never had a problem.

2002 Sea Ray 410 Sundancer
95 Eastern 22'
05 Maxum 18' Bowrider
C6 Corvette Convertible
68 GTO


Homeport: Farmingdale NY Go to Top of Page
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