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Catalina/Capri 25/250 Sailor's Forums

Catalina 250 Specific Forum

Holding tank

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willy
Captain

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USA
422 Posts

Initially Posted - 07/05/2007 : 12:32:14

Has anyone out there retrofitted a marine head and a holding tank on a 250? The Porta Potty requires too frequent emptying to be practical for some of the longer trips we are planning. (and my wife hates it)!
Willy

Edgy, WB#655
Dewey Beach, DE

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Dave Bristle
Master Marine Consultant

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Djibouti
10005 Posts

Response Posted - 07/05/2007 : 12:59:00

On my new... ummmm... you know... boat, I got a Dometic head that has a china bowl that's attached on top of a 9-gallon holding tank--no convoluted installation or waste hose between the bowl and tank. It's installed with a Y-valve to a pumpout fitting and a mascerator. (I won't be going to Canada.) I run it off the fresh water tank instead of salt water, for vastly reduced odor potential. Fewer hoses and fewer connections equals fewer problems. So far, I like it better than any marine head I've used.

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Nautiduck
Master Marine Consultant

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USA
3704 Posts

Response Posted - 07/05/2007 : 13:03:21

Yes it has been done and I'm sure someone will post about their project. Not sure what your wife does not like about the porta-potti but I installed an MSD (Marine Sanitation Device) type of porta-potti with a 5 gallon tank and plumbed for pumpout. The 5 gallon tank is equivalent to a 15 gallon traditional holding tank because porta-pottis are very efficient with water use. The pumpout means we never take the unit out of the boat, we use the same pumpout facilities as the marine head users. It is another option for you that doesn't require placing a tank, with additional weight, in the stern of your 250. Here is a link to my post on the topic:

http://www.catalina-capri-25s.org/forum/topic.asp?TOPIC_ID=14873

Whatever you do - make sure the wife is happy!

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Oscar
Master Marine Consultant

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USA
2030 Posts

Response Posted - 07/05/2007 : 14:20:19

Sooner or later a holding tank will smell...... A 6 gallon porta potty that goes bad is replaced in seconds......

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SEAN
Admiral

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USA
772 Posts

Response Posted - 07/06/2007 : 13:41:58

Hey Will ,

I agree I like the pump out setup , We have a 9 gallon holding tank in the stern . I think installed by the factory .
we also use fresh water for the flush , we do alot of 2 to 3 day trips you can maybe get too weekends out of it for 2 people .

I would like a bigger tank maybe double the size so you can definantly get two weekends out of it , also a tank moniter is key if you dont want to spend the trip wondering if this will be the last flush .
this is our 3rd year and we finaly got it down with no smell . (fresh water flush and a new hose to the tank .)sea land has a heavy duty hose its white
dont use the older black hose .
you need a heat gun to soften the hose to make the connections.

peggy hall has a book on the catalina owners site .
I would learn whats involved and install it yourself , its not that hard and if everything is new it will be a day in the park (insted of the dump).
all the big boats have them so once you learn how they work its just another system on the boat .

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Tradewind
Admiral

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USA
531 Posts

Response Posted - 07/07/2007 : 09:55:40

I just finished the installation. The wife refused to use a used porta potti and she got tired of using the bucket. I wish I'd thought of using the heat gun to soften the hose, I had a hard time getting the hose far enough on the fittings to get a hose clamp on it. I installed a 9 gallon Todd tank, used sealand hose and have a Raritan head. No Y valve for now but may add it later if I take the boat to the coast.

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britinusa
Web Editor

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USA
5404 Posts

Response Posted - 07/08/2007 : 07:03:00

Did a google for Porta Pottie to see what options are available.

found this [url="http://www.youtube.com/watch?v=ZZ1yV-Y_oXY"]on You Tube[/url]

Any Japanese speaking attornies onboard? There might be an opportunity or two here.

Paul

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Nautiduck
Master Marine Consultant

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USA
3704 Posts

Response Posted - 07/08/2007 : 10:41:09

Paul, that is great. I especially enjoyed the water sled version!

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willy
Captain

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USA
422 Posts

Response Posted - 07/10/2007 : 13:32:28

Allen Funt must really be a hero to the Japanese!

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Notice: The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.