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Open Roads Forum  >  Class C Motorhomes  >  Class C

 > toilet treatment for black water tank

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garyhaupt

Penticton, BC..land of wine, sun, retirees....

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Posted: 11/16/19 10:29am Link  |  Quote  |  Print  |  Notify Moderator

The truth of the matter is...ignore the sensors. They are NOT reliable. Try to keep them operating properly is futile and a source of frustration. The answer is...the black tank will begin to make life unpleasant with it's odours after a week, if you are underway. It will not natter how much chemical you throw down it..after 7 days, it will overpower anything. So...dump on day 6, if you can..or day 7, latest.

If it will put your head in a better place, toss down a cup of a dish soap or vinegar. Won't hurt anything..also will not clean your sensors.

And for sure..after dumping, put in water. How much? I open the spigot and count to 10..slowly.

Please don't try and win the "clean sensor" battle. You cannot. You 'may' get them clean...once...but not forever.


Gary Haupt


I have a Blog..about stuff, some of which is RV'ing.

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RambleOnNW

Pacific Northwest

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Posted: 11/16/19 09:13pm Link  |  Quote  |  Print  |  Notify Moderator

I have been using this method for years. Grey and black sensors are working great.
When we go out I insure that the bottom of the black tank is covered with water.
Daily we add Walex Bio-Pak and Porta-Pak capsules.

After we get back I will add water to black tank so it is at least 2/3 full. I will add water to the grey tank and dishwashing soap.
I then take it for the final dump and use black tank flush.
Both grey and black sensors always read empty at this point.

When we go out the black tank will read accurately if we stay in one place. If we drive with a partially filled tank it can slosh and read higher than it actually is. If we dump without flushing then the sensors will read whatever the previous highest level was.

I can always look in the toilet to see what the black tank level is.

Both grey and black tanks are 40 gal. so we have never filled them.


2006 Jayco 28', E450 6.8L V10, Bilstein HDs,
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bobndot

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Posted: 11/18/19 08:22pm Link  |  Quote  |  Print  |  Notify Moderator

I have no ties to this product but just wanted to pass on some info as we are talking about sensor malfunctions.

When I used the liquid Odorlos back in the 90's I never had a sensor problem. I was not able to find Odorlos for a period of time and switched to another chemical. I think the business dissolved for a number of years.
From 2005 to 2015 I used another product that I bought at Wallyworld, it was a powder drop in product and I had sensor problems with them not working while treating my tank in the same manner. They controlled odor but not sensors.
When I bought my new 2018 Sunseeker, I found Odorlos at Amazon again and went back to using the liquid form and so far in 2 seasons of use, not one sensor problem or odor problem. I have no proof if its because of this product or not but it seems like its working well the two times over a period of years that it has worked for me.

Odorlos does also make a granular form and that must be diluted as per instructions. If you do not dilute that type it might coagulate in your plumbing elbows and cause problems. Its environmentally friendly but I have read it can be pretty wicked to some inexpensive plastics in its concentrated granular form. So, if anyone does try this product just be aware of that. As a liquid it has been fine.

ron.dittmer

North-East Illinois

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Posted: 11/18/19 11:30pm Link  |  Quote  |  Print  |  Notify Moderator

Because we store our motor home under our master bedroom as shown, we are very concerned of RV sewer gas.
[image]
We don't poop in our toilet to avoid the challenge of removing stuck-on waste. We only urinate in the toilet.

For off season storage, I clean our tanks squeaky clean. This is how I do it. I've been doing it this way for 12 years now with no ill effects. Through all the years, our waste tank sensors work properly.

At home at the end of the RV season, I fill each waste tank with warm water and 1/3 gallon of household bleach. I fill the waste tanks to the tippy-top for maximum bleach solution contact. The gray tank I fill to the point where water starts to back up into the shower pan. The black tank, I fill to the toilet valve. The treatment is done with both waste valves open and the 3" waste end cap installed. We also have a macerator so I run it a bit to get the bleach solution throughout that system too. I also fill the sinks and toilet with water and bleach solution and let some into the traps to clean them too. One gallon of household bleach treats everything.

I let the bleach do it's job for 2 to 3 hours, then drain everything with a rush out onto the driveway. I then repeat the entire process with only fresh water to remove bleach residue because I understand that long term exposure to bleach is hard on some of the RV components and seals.

The bleach solution neutralizes any concern of residual waste to the environment and it makes the rig smell fresh and new inside with no sewer gas emitted into the garage below our bedroom.

Since 2007 when we bought our rig new, all our tank sensors continue to work right.

* This post was edited 11/19/19 07:49am by ron.dittmer *


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maillemaker

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Posted: 11/25/19 10:37am Link  |  Quote  |  Print  |  Notify Moderator

It amazes me the lengths people go to clean their poop tank.

My RV is 30 years old. We've owned it for 10. I have not put any cleaners or anything in the tank in about 5 years. Before that I used to put the usual RV blue powder down the toilet but figured this was a waste of money. When I get home, I fill the tank full with water, and then pull the valve and let 'er rip to dump.

That's it. Gauges work well after the RV has been sitting for a while. Obviously if you have just flushed or otherwise the sides of the tank are wet the gauge doesn't work so well.


1990 Winnebago Warrior. "She may not look like much but she's got it where it counts!"



lane hog

Tucson, AZ & NW Chicago Burbs, IL

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Posted: 11/25/19 11:57pm Link  |  Quote  |  Print  |  Notify Moderator

It amazes me that people would be afraid to poop in their RV toilets. You paid good money for that privilege...



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ron.dittmer

North-East Illinois

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Posted: 11/26/19 07:39am Link  |  Quote  |  Print  |  Notify Moderator

lane hog wrote:

It amazes me that people would be afraid to poop in their RV toilets. You paid good money for that privilege...
We are not afraid to poop in it. We just can't afford sewer gas or poop smell in our garage from a poop tank that we are unable to thoroughly clean. My wife and I are both concerned about it.

If one of us had an emergency, we'd surely poop in the toilet. But we've managed to avoid doing so up to this point.

Grit dog

Black Diamond, WA

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Posted: 11/29/19 12:40pm Link  |  Quote  |  Print  |  Notify Moderator

^To each there own, but omg, yes, never thought of cleaning my tanks like a surgical prep room!
Fill, dump, sometimes use the stinky packets, cause yeah after a week or so of not dumping if it's not an option, poop stinks. End of the year, when I dump the last "load" I will put some more water in and do a lap, maybe, and dump again if I have the time, but this is not the science project some make it out to be.
And fwiw, you'll never get "sewer gas" from an empty rv tank. Period, end of story.


"Yes Sir, Oct 10 1888, Those poor school children froze to death in their tracks. They did not even find them until Spring. Especially hard hit were the ones who had to trek uphill to school both ways, with no shoes." -Bert A.

lane hog

Tucson, AZ & NW Chicago Burbs, IL

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Posted: 12/03/19 03:13am Link  |  Quote  |  Print  |  Notify Moderator

ron.dittmer wrote:

We just can't afford sewer gas or poop smell in our garage from a poop tank that we are unable to thoroughly clean. My wife and I are both concerned about it.

If one of us had an emergency, we'd surely poop in the toilet. But we've managed to avoid doing so up to this point.


Yeah, you don't want smells in your garage, but I'd be curious to see if that would even be a problem with normal use & cleaning...

Sewer gas is heavier than air, so I'd think you'd need quite a lot of build-up to have enough volume to exit the vent stack absent a vacuum effect (e.g. driving or wind). Worst case, you could always rig up a vent to the outdoors with some dryer vent hose... [emoticon]

smarty

new mexico

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Posted: 12/03/19 08:16am Link  |  Quote  |  Print  |  Notify Moderator

We do the GEO method. Never had an issue

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