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Conference unifix::sailing

Title:SAILING
Notice:Please read Note 2.* before participating in this conference
Moderator:UNIFIX::BERENS
Created:Wed Jul 01 1992
Last Modified:Mon Jun 02 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:2299
Total number of notes:20724

1152.0. "Holding tank" by MPGS::KTISTAKIS (Mike K.) Fri Mar 17 1989 16:07

    I am in process of instaling a holding tank on my boat. any suggestions
    what is best whithin a reasonable price? Is lectra san a good system
    or a regular holding tank for a pump out station is more practical?
    Is there any other system approved (certified) by the CG that I should
    know about? Any info will be appreciated.
    
    Thanks
    
    

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1152.1how many poops per pop?VLNVAX::FRENIEREMon Mar 20 1989 14:048
    I am anticipating the responses to this as well. Whatever
    I use for a holding tank, it will be some 8 or 9 ft. from
    the head. Wondering what problems this will cause. Also wonder
    how many "uses" a 15 gallon or 28 gallon (think that is the
    Nautia-bag) sizes. Or, more crudely, how many poops before pumpout?
    
    Don

1152.2Flush oftenPBA::SCHLEGELTue Mar 21 1989 08:359
    Of course it depends where you guys are sailing, but if you have
    reasonable  access to open ocean, why consider pump-outs at all?
    We sail "outside" often enough that we pump overboard when we are
    sufficiently offshore.  I STRONGLY suggest that you utilize a "Y"
    valve so you can go directly outboard in emergencies.  Malfunctioning
    holding tanks are no "bed of roses"!! Further, I suggest smaller
    holding tanks, flushed more often. The sludge can harden up.  Good
    luck. 

1152.3VLNVAX::FRENIERETue Mar 21 1989 10:317
    I do have access to ocean pumping. Want to use the tank for perhaps
    a two or three day stay in places like Brenton Cove or Dutch Harbor.
    Would like to use smallest tank to handle that kind of load. That is
    why the question of how many poops per pop. Like how many gallons
    per flush of solid waste.
    Don

1152.4cannot hold it anymoreMPGS::KTISTAKISMike K.Tue Mar 21 1989 11:2010
    I do have access to the ocean too since I am moored in Jamestown,but
    I don't want to run out to the ocean just to empty my tank.
    Also my inquiry about holding tanks deals more with the selection of
    which system is better,keeping in mind compromises.Since I have to
    put a system in or face the $500 penalty,now is the time for an
    intelligente decision even if it costs a few more pennies up front.
    There must be a lot of feed back from the sail or power noters because
    assuming that at least 90% have a system on their boat they must have
    first hand experience and advice.

1152.5shore standardsR2ME2::FANEUFTue Mar 21 1989 12:489
    For information -
    
    latest shorebound codes in Massachusetts require toilets to use a
    maximum of 1.6 gallons/flush. That may provide a rough measure, as
    seagoing toilets probably use no more.
    
    Ross Faneuf
    

1152.6alternative toilet - a watersaver?CDR::SPENCERJohn SpencerTue Mar 21 1989 13:1112
We used to have a 20-gal (I think) rubber holding tank--not recommended!-- 
which would go for a long weekend with four aboard, providing people were
conscientious in their flushing practices.  But, without getting too 
specific, people and habits vary quite a bit.  

I recently have used one of the new vacuum-suction type toilets, and among 
other supposed advantages, it seemed to use less water each flush than the 
traditional Wilcox-Crittendon that was aboard Puffin.  (However, the
technique is something that requires a bit of learning.) 

J.

1152.7VLNVAX::FRENIERETue Mar 21 1989 17:005
    John,
    Why would you not recommend the rubber holding tank?
    
    Don

1152.8Rubber holding tank taleCDR::SPENCERJohn SpencerWed Mar 22 1989 08:2229
RE: -.1,

Well, mostly it smelled, though this probably has little to do with the 
material itself (though my associations with it are now spoiled.)  The 
smell, though, may have come in part from weeping at some fitting/s or 
other when overpumped.  And/or whenever a cause for odor did make it 
outside the bladder, the surface texture was rough enough to be virtually 
impossible to clean 100.0%. I didn't dare take any truly strong 
deodorizers disinfectants (the kind they use in nursing homes and with
"bladder appliances") for fear of harming the rubber.  With metal I would
have really scrubbed that sucker down. 

One good feature, however, was that as solids collected and resisted the 
pumpout suction from time to time, one could massage the bag to loosen 
everything up and direct it towards the suction fitting.  With a metal 
tank, as undelightful as the prospect sounds, I'd have a *very* well 
gasketed, accessible cleanout bung on the tank top, and would anticipate 
using it at least once each season as part of decommissioning.

J.

BTW, things were much improved by mounting a clothespin in the holding tank 
locker into which we placed a wooden matchstick the end of which had been 
dipped in one of these super deodorizers.  No piney smell, mind you 
(they're made for people who have to carry bladder bags), but welcome 
olfactory relief for anyone in or around that locker.  Later we also did
this in the head, down near the base of the bowl (where *every* head is 
apparently designed to leak at least a bit); again, noticeable relief.