David, I don’t think the tank would suffer much. I hope that all the lines to and from have been properly winterised (empty and/or full of undiluted antifreeze).
When I bought my current boat, it arrived very late in the season so there was no time to splash it and you can reach the pump out only from the dock, so I did not empty the tank. The PO was supposed to empty them, but the job was not complete. I had about 1/4 of the tank filled. The only negative from that was that the tank stunk. I guess the less time the waste stays in the tank, the less stink you have in and around the tank. Every time since I completely empty the tank before the haul out and then winterise the head. I claim that, after three seasons, the smell under the berth, where the tank is located is much more bearable. Marek 1994 C270 “Legato” Ottawa, ON From: David Knecht via CnC-List Sent: Friday, November 20, 2015 8:00 AM To: CnC CnC discussion list Cc: David Knecht Subject: Stus-List Winterizing the Holding Tank Do people worry about emptying the holding tank for winter storage? Both boats I have bought had stuff left in the holding tank when I took ownership, and there was no damage, so I have presumed that with plenty of expansion room in the tank, it won’t be a problem. I have flushed some antifreeze through the lines, but the tank is about 1/3 full at present. Has anyone ever had freezing damage to their tank? Thanks- Dave Aries 1990 C&C 34+ New London, CT -------------------------------------------------------------------------------- _______________________________________________ Email address: CnC-List@cnc-list.com To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
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