About 5 years ago I removed a Wilcox Crittendon Headmate from Alianna and replaced it with an electric marine toilet. At that time I also replaced all of the associated sanitary hoses and valves. I flush only with salt water and have never used the holding tank even though I have it setup to use at the switch of a 2-way valve. I have never added chlorox or for that matter anything else, except in winter when the entire system is filled with a 50/50 automotive ethylene glycol/water solution. I have not experienced any head related odors since this change over and now after installing a 4 inch solar vent in the main cabin the boat interior smells quite fresh even after several days of being locked up on the mooring. I believe the biggest improvement resulted from installing the new valves and sanitary hoses. I always do a lengthy flush before leaving the boat, but that flush is still done with salt water. I feel very fortunate for my situation but I can assure you that changing out the old head and sanitary hoses was a very unpleasant job. I am not sure what useful lifetime this system has but my experience suggests that old sanitary lines can contribute to head odor related issues and when I start to notice odors again I will take it as an indication that those lines need changing.
Dwight Veinot C&C 35MKII, Alianna Head of St. Margaret's Bay, NS _____ From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Robert Boyer via CnC-List Sent: September 3, 2014 1:21 PM To: cnc-list@cnc-list.com Subject: Stus-List smelly head and tank I am converting to a composting toilet (Air Head) in a couple weeks. I don't understand why more people on this list have not done the same. When I go into someone else's boat I can almost always smell their holding tank/hoses/whatever. I think people just get used to smelling it and don't notice it after a while. I think they are all smelly. Flushing with fresh water helps because it eliminates the odor of dying sea creatures that would come in thru the seawater intake but it does not eliminate all odors since the primary substance being flushed is still smelly. A larger vent will probably help the most (even up to 1" in diameter). We only have a 15-gallon holding tank which only lasts a few days at most. So, frequent pump outs are necessary and it is becoming costly. The Air Head will pay for itself in 2 to 4 years based on saving pump out costs alone. Bob Bob Boyer S/V Rainy Days / Annapolis MD 1983 C&C Landfall 38 - Hull #230 email: dainyr...@icloud.com blog: dainyrays.blogspot.com "There is nothing--absolutely nothing--half so much worth doing as simply messing about in boats." --Kenneth Grahame _____ No virus found in this message. Checked by AVG - www.avg.com Version: 2014.0.4745 / Virus Database: 4015/8124 - Release Date: 08/29/14
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