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Open Roads Forum  >  General RVing Issues

 > Do you sanitize your black tank?

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Jay Pat

Round Rock, TX

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Posted: 02/13/21 04:05pm Link  |  Print  |  Notify Moderator

About a year ago, I needed the black tank dump valve replaced.
Found a mobile mechanic that would do the work.
He said his rate would depend on how "dirty" he got and gave the price range. He could not come out for several days.
I had the "rotary spray nozzle" that had been plugged up for several years.
The RV at that time had a straight shot down thru the toilet to the tank.
I had the wand that one sticks down thru the toilet. Just hadn't used it in a few years.
So, I flushed and flushed with the trailer tongue as high as I could get it and as low as I could get it.
I had crystal clear water coming out of the black tank.
So, I filled the tank up one more time.
When the mobile mechanic showed up, I dumped the one last time and he was very happy to see clear water in the line.
There was still a mild odor in the tank.
To wrap things up, that wand puts out a lot of pressure and easily reaches the roof, sides and all 4 corners of the black tank. I doubt the rotary rinse can compare.
I do add product that does help with the smell.


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pigman1

Delaware

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Posted: 02/13/21 04:17pm Link  |  Print  |  Notify Moderator

When we dump we use the factory installed flush line to add water to the tank until there are no significant pieces of "stuff" seen exiting in a clear pipe section. That's it. We add NO CHEMICALS OR ANYTHING ELSE to the tank. . . ever. We boondock often as well as keep the Bus in full service campgrounds for portions of the year. When at home the Bus is stored in a fully enclosed building and we have never had any odor problems. We have over 110,000 miles on the Bus and it is over 8 years old.


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ken56

Tennessee

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Posted: 02/13/21 05:36pm Link  |  Print  |  Notify Moderator

Some people will use a bleach solution to help keep bacteria from producing "that' odor. I don't but I do rinse very well when I wont be using it for a few weeks. Heat and bacteria are friends and it will produce sewer stench and in a closed trailer that isn't used for even a few weeks can get stunk up quick. No need to sanitize in my opinion, just rinse well.

dedmiston

The West

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Posted: 02/13/21 07:25pm Link  |  Print  |  Notify Moderator

Once you use the tank, it will never be sanitary again.

There are lots of opinions about maintaining the tank (I flush it out and refill with a few gallons of water plus Dawn and Calgon), but I doubt you'll ever find a consensus.

In any case, there's no way to sanitize it.


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TechWriter

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Posted: 02/13/21 09:27pm Link  |  Print  |  Notify Moderator

I don't sanitize, but I'll dump some bleach in both black & gray tanks before I put my RV in storage.


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Trackrig

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Posted: 02/13/21 11:12pm Link  |  Print  |  Notify Moderator

Sanitize the black tank??? What are you planning to do, haul drinking water in it? That's like asking people who are on their own septic tanks is they sanitize them.

Bill


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Boon Docker

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Posted: 02/13/21 11:46pm Link  |  Print  |  Notify Moderator

Trackrig wrote:

Sanitize the black tank??? What are you planning to do, haul drinking water in it? That's like asking people who are on their own septic tanks is they sanitize them.

Bill


For sure, you can never have enough drinking water. What, you never sanitize you septic tank, shame on you.

bucky

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Posted: 02/14/21 04:15am Link  |  Print  |  Notify Moderator

EV2 wrote:

Let’s be fair. Our entire life we have heard about people who’s poo does not stink. They have an image to uphold.??


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wa8yxm

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Posted: 02/14/21 04:29am Link  |  Print  |  Notify Moderator

"That odor" is more likely NOT the black tank. (Gray or the park septic cause you left a valve open)

The only reason to sanitize the black system is if you are going to be doing repair work on it. and I'd let the pro who does the repair do the sanitizing as well


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Boomerweps

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Posted: 02/14/21 05:45am Link  |  Print  |  Notify Moderator

This question brings to mind the people who think they can pick up a turd by the clean end!


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