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Re: Very odd odor
First thing that comes to mind for 'onion smell' (without physical onions) is a fungus, either S. Brevacaulis or one of the Aspergillus varieties. S. Brev. is a cause of VERY nasty foot fungus infections ... so carefully assay the head/shower area and its drainage into the bilge ... AND the bilge especially if the shower water dumps directly to the bilge.
Both of these are 'pathogens' --- 'nasties'. S. Brevacaulis, reportedly is especially very nasty with 'corneas'.
If you smell 'onions' and subsequently find a 'black or blackish mold', return the boat and let someone else clean it, properly, and with proper caution (go to CDC website ---> cleaning 'black mold').
Last edited by RichH; 01-24-2013 at 06:01 PM.