|Topic Review (Newest First)|
|07-31-2008 11:09 PM|
Everyone has covered what I am about to say so I am only posting to re-iterate the good ideas that have been put forward.
- if you want to shock the system with bleach or other chemicals that is fine as long as you rinse out the tank and hoses really well when done.
- KO or the equivalent Raritan product are the best aerobic tank treatments IMHO, as long as you do not use any harsh chemicals with them.
- frequent pump outs and rinses will certainly help.
- a second vent hose to your tank is a really good idea.
When we got our T 27' it had a persistent odor in the cabin. We decided to rip out the holding tank and all the hoses leading out of it. At the time we installed the new tank we also added a second vent hose for the (then) clean tank. Captain Blye (yours truly) would not let anyone soil the new plumbing for some time until it became obvious that serving wine (or nothing) to the fairer sex meant that the head would have to be used. We seldom use the head but treat it with KO and with 2 vents to the tank there has been no odor problem to speak of. My feeling is that you use a little bleach in your fresh water tanks but not for your holding tank.
I am not suggesting putting in a second vent line with an existing tank as this could be a pretty unpleasant job but the next time all of that gets ripped out please do consider this as a very good option.
I hate that nasty holding tank smell as much or more than the next person.
Good luck and fair odors.
|07-31-2008 08:34 PM|
Originally Posted by bruceyp View Post
I hope no one is working on that...!
Good concise thread.. we've had stink threads before but this one covered all the bases before someone like me came in and derailed...
|07-31-2008 04:03 PM|
Once again, a tip o' the hat to the SN forum.
I will give the hoses and vent a check and try the "shock treatment".
Now aren't you all glad that technology hasn't come up with a way to attach smell files.
|07-30-2008 08:51 PM|
|Neicy||The best thing I have used is "Aqua Kem" available at Camping World. It is very concentrated and takes only a little. Absolutely no oder. I tried at least 3 different types from West Marine and none even come close. Also it is less $$ than anything I tried from W.Marine.|
|07-30-2008 07:45 PM|
Originally Posted by sailingdog View Post
|07-30-2008 07:31 PM|
Not if you're trying to shock treat the system and clean it out. Using them on a regular basis isn't such a good idea, but using it once a year or so to commission or decommission the boat for the season, it isn't such a problem.
Originally Posted by poopdeckpappy View Post
|07-30-2008 07:29 PM|
|poopdeckpappy||Household chemicals such as bleach are problem the worst thing you can pour in any , fresh,gray or blackwater system|
|07-30-2008 04:34 PM|
i poured 6 litres of bleach into the holding tank,filled it with water and let it sit, back flushed the vent with the water hose and pumped out the following weekend. i have not had a foul smell since.
works great on stinky bilges too.
|07-30-2008 03:59 PM|
|labatt||You might also want to use a good holding tank enzyme. Peggy Hall recommends "KO", which is what we use (being on a lake, we have to always use the holding tank). It seems to work real well with minimizing the smell from the tank based bacteria. It's available at West or a variety of other places.|
|07-30-2008 03:18 PM|
I would start by cleaning the head of all dead sea critters that are under the bowl lip, rebuild head pump ( or replace head ) make sure tank vent is clear ( enlarging it also wouldn't hurt ) and use KO after every pump out.
If that don't stop it, check lines for permiation and replace as needed, then clean, scrub and flush the bilge
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