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Old 06-06-2012, 06:16 PM   #1
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Sewer Flush

How long does everyone run their black tank flush system? Last weekend I ran mine for a good 3 to 4 minutes saw the water running clear so I figure all is good. When I got home I went to open the grey water tank and accidentally pulled the sewer handle and needless to say lots of brown water and TP came out. Did I not run the flush long enough? I have also been using the softener and detergent method.
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Old 06-06-2012, 06:19 PM   #2
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Quote:
Originally Posted by sideout1961
How long does everyone run their black tank flush system? Last weekend I ran mine for a good 3 to 4 minutes saw the water running clear so I figure all is good. When I got home I went to open the grey water tank and accidentally pulled the sewer handle and needless to say lots of brown water and TP came out. Did I not run the flush long enough? I have also been using the softener and detergent method.
I always install Geo method before I leave cg and several gallons of water.
To slosh around for trip home.
Ok to leave sit for next trip.
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Old 06-06-2012, 06:20 PM   #3
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How long does everyone run their black tank flush system? Last weekend I ran mine for a good 3 to 4 minutes saw the water running clear so I figure all is good. When I got home I went to open the grey water tank and accidentally pulled the sewer handle and needless to say lots of brown water and TP came out. Did I not run the flush long enough? I have also been using the softener and detergent method.
I have run it as long as 30 minutes if I have time and at a site hook up.
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Old 06-06-2012, 06:34 PM   #4
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Drain the black tank-------------

Right on with the 30 Min flush!!!!!!

I drain the black tank, fill to about 3/4 full with the flush system, drain again, fill again, drain, fill again. Now add about 1/4 tank of water, add your chemicals and you are ready for the next trip. I use septic tank safe
paper, three pods of dish washer soap, a chemical deodorant to keep the smell down.
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Old 06-06-2012, 06:36 PM   #5
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It takes a good 15 to 20 minutes for a complete flush.

TP and sludge will form a "dam" at the valve opening and turbo flush water will pile up behind it. You will think you are done; then suddenly a "whoosh" of crud will come out. This will happen several times when flushing.

A clear elbow is a mandatory "option" and everyone should have one.
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Old 06-06-2012, 07:52 PM   #6
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WOW! didn't realize it had to run that long. Great advice everyone. I do put the mixture in when I get home but I suppose it would be better at CG for the ride home.
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Old 06-06-2012, 08:56 PM   #7
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I usually close the gate, run flush for a few minutes, open gate, look for colour of discharge and repeat several times until satisfied all sewer is discharged.
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Old 06-07-2012, 12:52 PM   #8
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FYI,

Geo Method site...

https://sites.google.com/site/cbruni/
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Old 06-07-2012, 06:31 PM   #9
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Thanks for posting the link to the Geo Method site. That's great information. Something to add to my documentation, and to use.
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Old 06-07-2012, 07:28 PM   #10
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when I flush my tank I am constantly opening and closing the black tank valve to fill and drain the tank - have had excellent results doing it that way

and I agree with what Herk said about the clear elbow - makes a world of diffrence when you are making sure your tank is clean
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