I keep an air freshener in the head. I also noticed that the hoses
sometimes collect moisture on the outside, which become mildewed and emit
an odor. Bleach corrects that problem.

On Sat, May 25, 2019 at 10:05 AM Shawn Wright via CnC-List <
[email protected]> wrote:

> I like the idea of adding a tee in the sink drain for a fresh water flush
> - thanks!
> --
> Shawn Wright
> [email protected]
> S/V Callisto, 1974 C&C 35
> https://www.facebook.com/SVCallisto
> <https://urldefense.proofpoint.com/v2/url?u=https-3A__www.facebook.com_SVCallisto&d=DwMFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=9w3G7Cf8YfQnrjmtuNxwDJYr3JMv9f1pAfgAJ9xXYQQ&m=LHYW3YJrHv5RuV7UcxGD-kft9fBjdjX1vLZKVDJFOY8&s=Q2BBHCp13or1vQ6teeNFhMdlZLoRJHZIwxQqjfW8oD0&e=>
>
>
> On Sat, May 25, 2019 at 9:13 AM Dreuge via CnC-List <[email protected]>
> wrote:
>
>> I have seen heads discharge loops vented with a small hose led to an
>> external vent.  Some were with inline check valves but some without.   The
>> later was more common for anti-siphon at the raw water to exhaust mixing
>> below.
>>
>> I thought about added a hose to my head discharge loop if it became a
>> problem.   The longer the little rubber valve work, the more likely I’ll
>> replace it as Dennis has done.
>>
>> The only head odor problem I have had was due to stagnate seawater in the
>> inlet to head.   I fixed this by teeing the head inlet to the head sink
>> drain.  When I leave the boat for an extended period, I now close off the
>> seacock, fill the sink with some fresh water, and pump it through the
>> head.  No more stench.
>>
>>
>> -
>> Paul E.
>> 1981 C&C Landfall 38
>> S/V Johanna Rose
>> Fort Walton Beach, FL
>>
>> http://svjohannarose.blogspot.com/
>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__svjohannarose.blogspot.com_&d=DwMFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=9w3G7Cf8YfQnrjmtuNxwDJYr3JMv9f1pAfgAJ9xXYQQ&m=LHYW3YJrHv5RuV7UcxGD-kft9fBjdjX1vLZKVDJFOY8&s=diqEnwwyUnGrZkJNW6zeeTMBq19-Cgv6do7TezVYyPA&e=>
>>
>> On May 24, 2019, at 12:00 PM, [email protected] wrote:
>>
>> Date: Fri, 24 May 2019 09:08:21 -0500
>> From: "Dennis C." <[email protected]>
>> To: [email protected]
>> Subject: Re: Stus-List Oft overlooked source of head odor
>> Message-ID: <[email protected]>
>> Content-Type: text/plain; charset="utf-8"
>>
>> The anti-siphon valve on the vented loop is usually not routed anywhere.
>> It just sits on the top of the loop.
>>
>> It?s different from the tank vent.
>>
>> Dennis C.
>>
>>
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>>
>> _______________________________________________
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> Thanks everyone for supporting this list with your contributions.  Each
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