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 Catalina/Capri 25/250 Sailor's Forums
 Catalina 25 Specific Forum
 Draining Fresh Water Tank
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BillD
Deckhand

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USA
6 Posts

Initially Posted - 10/25/2020 :  11:50:28  Show Profile  Reply with Quote
Its supposed to get down to 21 F tonight, so I went out to my C-25 and drained the fresh water tank. I simply pumped it dry from the galley sink - about 1,000 strokes.

Is there an easier way to do this? Its a real pain pumping out a 30 gallon tank 4oz at a time.

1987 C-25 Swing Keel

C25BC
Navigator

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Canada
200 Posts

Response Posted - 10/25/2020 :  19:22:33  Show Profile  Reply with Quote
I access my tank below the settee, unscrew the big cap and use a high volume hand pump to get most of it out.

Angus
S.V.Tempus
#4748
1984 Catalina 25 SK/SR/Trad.
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JoeRobertJr
1st Mate

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25 Posts

Response Posted - 10/26/2020 :  05:55:58  Show Profile  Reply with Quote
I do the same as Angus. I use a hand pump marketed for draining oil out of a sump. It has a 4 foot suction hose. I can reach my arm partway into the tank, and actually get the hose into the bottom corner such that there is maybe a tablespoon of water left in the tank after I am done.

Joe Robert
C-25 SK/SR #4287
Orefield, PA
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islander
Master Marine Consultant

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USA
3992 Posts

Response Posted - 10/26/2020 :  06:25:33  Show Profile  Reply with Quote
As pointed out above there are many ways to empty the tank. Another way is to simply add a piece of hose to the end of your bilge pump hose with a hose barb. Drop the hose into the tank and use your manual bilge pump to pump it out. Here is a photo of the cap on top of the tank. If I remember it is 3".

Scott-"IMPULSE"87'C25/SR/WK/Din.#5688
Sailing out of Glen Cove,L.I Sound


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Voyager
Master Marine Consultant

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USA
5231 Posts

Response Posted - 10/26/2020 :  16:31:10  Show Profile  Reply with Quote
Here’s a pump that I picked up for extracting water or oil. Somewhere around $10-15, depending on where you get one.

Arnold Pump



Bruce Ross
Passage ~ SR-FK ~ C25 #5032

Port Captain — Milford, CT
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bmwtourer
Deckhand

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Canada
17 Posts

Response Posted - 10/26/2020 :  16:59:10  Show Profile  Reply with Quote
if the boat is out of the water... How about simple gravity, put a hose in the tank through a cleaning access hole, and put the other end outside below the water tank level and suck the water through vacuum and let go!... I understand that would work great while the boat is on a trailer... like mine.

Serge Pelletier
#161 1977 Catalina 25 swing keel
Serenity
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