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I have replaced my head and both the intake and outflow hoses this season. I am now experiencing a strange odour in the head area of the boat. I say strange because it isn't the rather offencive septic odour you might imagine but rather a heavy rubbery or synthetic mastic smell. I have started using "Liquid Gold" (from Canadian Tire) deoderizing stuff to deal with the usual smells, but I am now wondering if this may be somehow breaking down the rubber hoses? I have not replaced the old hose from the tank to vent, or from the tank to deck fitting and will do so soon. I find it rather odd that they have lasted 28 years without emitting this odour and suddenly started to the year after I replaced everything else short of the holding tank. I am new to the boat, and new to a boat big enough to have a head so any help would be greatly appreciated.
thanks
chris
A friend who used to rebuild Austin Healeys for amusement (which makes him rather suspect as a source of useful information but never mind...) said that whenever you change something, that changed something should automatically go to the top of the list whenever a mysterious problem arises. That makes your hoses suspect no. 1 and I suspect that you have used a hose that is not odour-proof enough for use in a head.
As a check, you might try the damp-rag test. Wrap rags dampened with hot water around the lowest points of your head output hose and holding tank output hose (it's unlikely to be the input hose) and leave them until cool. Remove each one and smell it. No smell, good; smell, the hose is not as proof against odours as it should be and you ought to replace it (or take up smoking a really heavy shag tobacco to mask the smell).
I replaced my head hoses with a recently introduced white plastic hose from Australia called Sealand Technology Odoursafe (Genco (www.gencomarine.com/) in Toronto sells it and will ship it - probably others have it too). There is now absolutely no odour from my head.
David Weatherston
"Towser", Toronto
C&C 27 Mk IV
Last edited by (2003-09-17 06:32:59)
David Weatherston
Towser, Toronto
C&C 27 Mk IV
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