David


Yes pump it out (think of what happens if the contents are allowed to ferment 
for 6 months).  Then flush with fresh water and pump dry.  Then apply antifreeze



Cheers





John and Maryann

Legacy III

1982 C&C 34

Noank, CT



From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of 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








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