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Old 09-21-2014, 06:05 PM   #1
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Black tank clean out

Does anyone know if I can flush the black tank using water down the vent tube? Just wondering.
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Old 09-25-2014, 08:38 PM   #2
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Don't know that but I bought a flush king and it works well. Mounts on end of blackwater outlet and has another valve. Plus has a hook up for water hose on other side of valve. Close valve and turn on water. Let the water build up in tank and then release valve. I do it 4-5 times till I see clear water come out (flush king is clear plastic). Only downside is you don't really know how long to let it fill up.


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Old 09-25-2014, 09:30 PM   #3
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One simple solution would be to have someone inside shine a flashlight down into the tank and holler when it was close to full and the person on the outside to time it, deduct a couple of minutes for fluctuations and then just time it. I think I will be investing in a flush king as well.
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Old 09-25-2014, 09:32 PM   #4
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The flush king seems to be the simplest solution for us who do not have sensors or flush valves.
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Old 09-25-2014, 10:44 PM   #5
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I find it just as easy to put the garden hose in the toilet from inside, then I know how full it is. I use one of those flexible wands if it is especially dirty.


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Old 09-25-2014, 11:25 PM   #6
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Quote:
Originally Posted by papasmurff1 View Post
One simple solution would be to have someone inside shine a flashlight down into the tank and holler when it was close to full and the person on the outside to time it, deduct a couple of minutes for fluctuations and then just time it. I think I will be investing in a flush king as well.

What I have found is the water pressure varies for each facility, so timing doesn't really work.



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Old 09-26-2014, 12:10 AM   #7
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Well the flush king I guess would work if you timed it when at full hook and to solve the pressure differences you could use a regular like you do on the FW. Something to look into next season. Ty everyone
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Old 09-26-2014, 12:19 AM   #8
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Found this intresting

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Old 09-26-2014, 01:30 AM   #9
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Yes...long video, but good. I would do the tornado, leave it on, let it fill and then open dump valve with water still on. That way debris is agitated as it empties. Then just close valve and let fill again and do that a couple times. I have to see how easy it would be to access the tornado with the hose. I already hate how far under the frame the hookups are now.


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Old 09-26-2014, 07:46 AM   #10
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The simple solution would be for the manufacturers of the black tanks to make the inside bottom surface of the tanks with a slight concave surface like the inside of a bowl with the drain tube in the middle. Seems then like everything would flow out better and not hang-up and sit in the corners or on the bottom of a flat surface of a tank as in the above video. Guess then there wouldn't be the need for all of these products that don't really work
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