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Old 04-15-2018, 01:24 PM   #1
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THOR #11223
Black Tank Cleaning

I have a 2018 Thor ACE "30.4." Has anyone used the "No*Fuss*Flush(Sani-Flush)?" If so, is it easy to use? Did you have any issues?
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Old 04-15-2018, 06:08 PM   #2
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I don't have that particular tank flusher. I installed a Tornado Rotary Tank Rinser and I am really pleased with it. seems to do a great and though job.

Here's a great YouTube video of a guy who tested several tank flushing systems on a clear black tank he built.
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Old 04-17-2018, 03:34 PM   #3
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Tank

Great video
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Old 04-17-2018, 04:13 PM   #4
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Tornado for me as well.
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Old 07-24-2018, 02:36 AM   #5
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I had a Tornado installed in my black tank just before we left for our present trip. Question: Do you clean after every tank dump or after a set number of dumps?
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Old 07-24-2018, 10:58 AM   #6
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Quote:
Originally Posted by mark4Jesus View Post
I had a Tornado installed in my black tank just before we left for our present trip. Question: Do you clean after every tank dump or after a set number of dumps?
Whenever you feel it necessary to clean. We use the tornado about 3 times a season. At the end of a long trip, when at a full-hookup site, and at the end of the season.

I typically will not run it at the dump station when there is a line waiting. Sometimes, if no one is waiting and its early enough I'll run it for a few minutes.

Our tornado is installed such that it really cleans off the probes. Thus my indicator of when to run the tornado is usually when the probes are messed up. (Granted I also have a secondary tank level monitor.)
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Old 07-24-2018, 11:02 AM   #7
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We have the San-T-Flush installed on both of our black tanks and use it regularly (at least monthly or when the toilets are used more often.)
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Old 07-24-2018, 11:46 AM   #8
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We have the San-T-Flush also: it leaks water into the coach...
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Old 07-28-2018, 10:05 PM   #9
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Used the Tornado after dumping the black tank before we came home this morning. WOW! Left the dump valve open and turned it on. For about two minutes obvious black tank contents came out, then slowly turned to clear water. I was impressed and happy I had it installed.
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Old 07-28-2018, 10:07 PM   #10
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Used the Tornado after dumping the black tank before we came home this morning. WOW! Left the dump valve open and turned it on. For about two minutes obvious black tank contents came out, then slowly turned to clear water. I was impressed and happy I had it installed.
Glad to hear that!
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Old 10-28-2018, 03:45 AM   #11
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Anyone have pictures of the tornado installed? I don’t see pictures of where they are being mounted. The images are so close to the image of the tornado, I can’t seem to see where it’s mounted on the tank. Is it right above easily accessible when you open the cabinet that has the empty connection?
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Old 10-24-2019, 11:13 AM   #12
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Question

What chemical can you recommend to clean out a black tank very well?


My motorhome has a basic setup, no cross-feed between tanks or similar, no flush option etc. etc.


I currently have no access to a dump with water supply, nor a trip planned for the next 4 weeks where I have a complete hookup. But there is a dump station in town.


The inside of the motorhome is being redone, the toilet was taken out and the black tank deemed 'almost full', despite the almighty sensor stating 1/3rd full. Buy (ab)used, you never know what you're going to get.



I thought I can put some chemical in the black tank and top it off with water. Then let it sit for some days, drive to the dump station and, well, dump it. I can then add some gallons of water through the toilet, flush it again, put some cleaner and water in it and be good till I get to a full hookup.


Sounds weird, but I can't wait to attach the sewer elbow with hose flush to finally give a lot of good rinses. Never thought this could be a satisfying job (once done without issues of course).


I don't care how much the chemicals are, you get what you pay for, just want to get it done as good as I can.
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Old 10-24-2019, 02:16 PM   #13
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Thor Forums - View Single Post - I want to start a new thread about nothing, and let it run...
The link is a dual Tornado setup on a 24.1.($11 on amazon warehouse so I bought two, but decided gray tank was OK without a tornado.)

The video above with the clear tank, that guy deserves an award for factual reporting and dedication. .
The punchline to that video is:
If you have the slightest curve in your exit pipe, you're fooling yourself and the makers of those post-exit jet thingies need spanked.
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Old 10-24-2019, 02:44 PM   #14
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Cleaning the Blackwater tank: we found a good way to do it!
(While you're still at the campsite, and hooked up to their sewer...
Drain the Black and Graywater tanks as you normally would.
Shut the drain valve, and then hook up to your San-T-Flush or Tornado system.
(Don't turn on the water just yet!
Put about a half-cup of dishwashing soap down the toilet.
Now: turn on the water, and let it run for a while (Pit about five gallons or so of water into the tank...
Dump the tank... you'll get LOTS of soapy water....
When it quits running out: turn the water back on, and give it about another five gallons or so of water...
Dump it again...
Repeat this until you get nothing but clean water coming through the slinky.

It'll also make the term "Stinky Slinky" completely obsolete!
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Old 10-25-2019, 12:09 AM   #15
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Quote:
Originally Posted by raffit78 View Post
Anyone have pictures of the tornado installed? I donít see pictures of where they are being mounted. The images are so close to the image of the tornado, I canít seem to see where itís mounted on the tank. Is it right above easily accessible when you open the cabinet that has the empty connection?
The recommended install is high on the side opposite the drain pipe exit. Wasnít possible to reasonably access that on my Hurricane, so I installed it on the side easily accessible when dump bay door is open.
Works well from all I can tell.
Will try to remember to take a pic.
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Old 10-26-2019, 01:13 PM   #16
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We used it to flush ours once this year. All went well.
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Old 10-26-2019, 03:12 PM   #17
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The vast majority of folks that have been around a few years use a bit of Dawn or cheap dish detergent added to a partially full tank while traveling from point A to B

Upon arrival they dump the tank and it has been cleaned very well by the sloshing action

The thing that complicates many folks dilemma with the black tanks is leaving the valves open when connected to full hookups. You never do that.
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Old 10-26-2019, 03:31 PM   #18
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Another way to get extra clean. Dump, fill with water, dump. Then when going to another location, add a dishwasher pod and a few pounds of ice and fill half way. When driving the ice helps clean, and the dishwasher pod include anti-bacterial features. Then dump again at the next hookup.
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Old 10-26-2019, 05:04 PM   #19
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Another old way and a very good way was to use a small amount of Rid-X added to a partially filled tank en-route to the next destination. It does need a bit of time to work but sure did keep the walls clean without any kind of rinsing

Another tip for the newbies is to have at least an inch of water in the tank with your preferred treatment before using the black tank as a black tank
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Old 11-07-2019, 10:19 PM   #20
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Quote:
Originally Posted by droark55 View Post
I have a 2018 Thor ACE "30.4." Has anyone used the "No*Fuss*Flush(Sani-Flush)?" If so, is it easy to use? Did you have any issues?


I installed the no fuss flush on my 2015 citation. Works great
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