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Hi dougie we had the same problem, mainly when driving with a window open, I tried the cowls that duncan sells but without success, the reason imho is because if the air can't get in to the tank then it can't get out, so I broke into the basin waste (on a winnie this goes into the black tank) and ran a flexy hose to the outside underneath, now the air can get into the tank and out through the roof vent. No more smells
The winnie has separate vents for black and grey, another problem you could have is that the vent pipes have dropped down into the tank.
The good bacteria must have oxygen to work, starve the tank of oxygen and you get the bad bacteria which produces the nasty smells (Hydrogen Sulfide)
Last edited by olley on Sat Jun 07, 2008 9:52 am; edited 1 time in total ______________________________________________________________ If you have a problem you can´t fix its because your hammer´s not big enough
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When the stuff in the grey tank starts fermenting it smells awful and the gas produced bubbles out of the shower and basins etc. we always put blue toilet stuff in the grey tank to kill the bugs and stop this happening.
Grant
Hi Grant,
One has to be very careful where one empties ones grey water if you have put toilet blue in the tank.
In the past I've used the blue to give the tank a good swill round and on arrival at one site I was accused of emptying my toilet into a normal drain. I did explain what was happening but the site warden was not convinced.
Don
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I am no chemist Dougie but I am sure that the "blue" might actually stop the biomagic from working
Seems like you've hit on an important point, as others have confirmed this. I'll abandon the blue in favour of Bio Magic then.
artona wrote:
I wonder if the black is as simple as you are not using it enough - did you say you are only using it for 1% of your urges
lol - I did. What I meant is that there's a whole lot of pee & no poo, plus there wasn't a great deal of flushing water being added. It was getting used regularly (if you'll pardon the pun) but only for that purpose.
Some good suggestions, so thanks Rob/Alan/Dave/Stew/Don. Not sure about Clive though. What have your socks got to do with anything (relevant)?
You say you use a 3" slinky, do you mean the corrugated pipe? When we used to have a caravan we always had problems with this type of pipe as things get caught up in the ridges and are difficult to clean.
The other thing is that you say you have a Septic Tank and use Blue, this shouldn't be used as it kills the bacteria in the Septic Tank, nothing with Formaldehyde should be used only the Green or Bio stuff.
Just had our Septic Tank emptied and had to renew the bacteria eating granules although we use a proprietary bio product every week.
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You say you use a 3" slinky, do you mean the corrugated pipe? When we used to have a caravan we always had problems with this type of pipe as things get caught up in the ridges and are difficult to clean.
The other thing is that you say you have a Septic Tank and use Blue, this shouldn't be used as it kills the bacteria in the Septic Tank, nothing with Formaldehyde should be used only the Green or Bio stuff.
Just had our Septic Tank emptied and had to renew the bacteria eating granules although we use a proprietary bio product every week.
Yes, it's the corrugated pipe. Never had any difficulty with sticking solids in it, due to not having any significant solid "bits" (e.g. cereal) in the grey waste.
We had a septic tank (for about 13 years) at our last place, and this place has the same type (brick chamber). I take the point again about the blue, and have already converted to Bio-ism (I'm designing some special headgear for my new religion, which I'll be promoting shortly.... ).
Do I take it you are stationery as the house is being re built!
If so this may be part of the problem. The vent which you must have on the roof will need air to circulate which draws bad air out of tanks.
More importantly you are most certainly making a mistake with putting any chemical in the tank! RV tanks work on the same principle as a septic tank and what you really need to do is make sure you poo in it number 1's only is of no use to you whatsoever! You must get that bacteria breeding and all your troubles will be over.
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