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 > Camper black water tank fluid heats up

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dedmiston

The West

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Posted: 07/23/20 10:40am Link  |  Quote  |  Print  |  Notify Moderator

The solar effect of a black hose doesn't make sense to me either. Even if it's a 50' hose, how much volume could the hose contain? I wouldn't expect it to be more than half a gallon.


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dedmiston

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Posted: 07/23/20 10:57am Link  |  Quote  |  Print  |  Notify Moderator

Correction:

After a little mathing, it looks like the volume of a 3/4" ID hose is more than I thought.

For 25 feet, the volume would be .574 gallons and for 50 feet, it's 1.147 gallons.

I still doubt the water gets hot enough to heat up the tank, especially if it's less than a gallon and a half.

mich800

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Posted: 07/23/20 12:05pm Link  |  Quote  |  Print  |  Notify Moderator

safeman wrote:

I found this about septic tanks.

"Bacteria do generate heat when they digest organic material, as is most easily seen in compost piles. Those piles can get really hot – 130 degrees Fahrenheit is not unusual."

Not sure if it applies to an RV Black Tank. Maybe it depends on how long stuff has been in there?


I agree, and depending on the composition of what is in the tank, level of the tank and how long it has been there. And have we established the definition of this steam? Warmer air pushing into a cooler space is not uncommon. If actual steam (visible) that would definitely be a sight.

I will also add, I have never done that experiment the OP is talking about, opening the valve when actually using the toilet. Is this common? Not something I would even think to do.

kellem

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Posted: 07/23/20 12:39pm Link  |  Quote  |  Print  |  Notify Moderator

mich800 wrote:

safeman wrote:

I found this about septic tanks.

"Bacteria do generate heat when they digest organic material, as is most easily seen in compost piles. Those piles can get really hot – 130 degrees Fahrenheit is not unusual."

Not sure if it applies to an RV Black Tank. Maybe it depends on how long stuff has been in there?



I will also add, I have never done that experiment the OP is talking about, opening the valve when actually using the toilet. Is this common? Not something I would even think to do.


No...this is not common.

Arcamper

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Posted: 07/23/20 12:51pm Link  |  Quote  |  Print  |  Notify Moderator

Did someone put some bleach down the tank? Bleach and urine make a bad gas. DW did that once and the next time I flushed there was a fog coming up from the bowl.


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2 many 2

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Posted: 07/23/20 07:40pm Link  |  Quote  |  Print  |  Notify Moderator

mchero wrote:

2 many 2 wrote:

If the OP is hooked up to city water and the water hose is in the sun, that sun heated water could be getting to the toilet.


OP would have to pump allot of water into that black tank to get it up to "steaming".


All of the reply's that are picking on me are correct, I was just throwing out another idea that had not been mentioned, just in case the OP was confused with warmer water in the bowl instead of the tank.
I have heard of people that thought their faucet water was hooked up to hot water instead of cold, just to find out that it was hot or warmer water coming from the fresh water hose in the sun. [emoticon]

I am still anxiously awaiting the final outcome. Very interesting

Best of luck to everyone [emoticon]

dougrainer

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Posted: 07/23/20 08:44pm Link  |  Quote  |  Print  |  Notify Moderator

Arcamper wrote:

Did someone put some bleach down the tank? Bleach and urine make a bad gas. DW did that once and the next time I flushed there was a fog coming up from the bowl.


He stated that it was HOT and steaming his private parts. Doug

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