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Old 05-30-2019, 05:30 PM   #21
sonofcy
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We have been full time for 20 months now and about month 18 had to have the roto rooter man come and auger out the toilet pipe. Unfortunately our pipe to the black tank is NOT a straight drop, it has two 45 degree bends. That is a HUGE problem if you use Costco TP and do not use at least a gallon of water twice each time you do #2. Doing the math tells me that two people have 12 bm's each at 2 G of water to fill the 49G tank. I do 12 bm's in 3 days my wife a little longer so we can last 4 to 5 days max. I only recently found out that some humans only go 2 or 3 times a WEEK!!!!! I got 2 or 3 done by my 2nd coffee. Not a problem for me, boondocking for 4 or 5 days is plenty.
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Old 05-30-2019, 05:32 PM   #22
sonofcy
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Simple solution. Do as I have done on every RV I have owned. Install a valve in the water supply line to the toilet. You can turn it off or leave it only partially open preventing unnecessary water from being flushed. Do you really need to flush down a cup of pee with a quart of water ?. Turn it on full blast when needed, if you know what I mean. LOL. We can go 7-9 days fully self contained without adding any water of emptying any tanks.
I am only on our 2nd trailer and they both have foot operated valves, so no need to install anything. I have never seen an RV with anything else but maybe they exist.
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Old 05-31-2019, 02:12 AM   #23
notanlines
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Beeje, there is more to a flush than just sending your 'cup of pee' down to never-never land. That water flowing from all surfaces is necessary to rinse the sides of the commode for 'obvious reasons.' We can all have an idea of how much water this may take, but the bowl definitely needs the rinse action.
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Old 05-31-2019, 08:32 AM   #24
JRTJH
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Originally Posted by sonofcy View Post
We have been full time for 20 months now and about month 18 had to have the roto rooter man come and auger out the toilet pipe. Unfortunately our pipe to the black tank is NOT a straight drop, it has two 45 degree bends. That is a HUGE problem if you use Costco TP and do not use at least a gallon of water twice each time you do #2. Doing the math tells me that two people have 12 bm's each at 2 G of water to fill the 49G tank. I do 12 bm's in 3 days my wife a little longer so we can last 4 to 5 days max. I only recently found out that some humans only go 2 or 3 times a WEEK!!!!! I got 2 or 3 done by my 2nd coffee. Not a problem for me, boondocking for 4 or 5 days is plenty.
I think your reasons for needing to "auger out the toilet pipe" are located above (in red). I don't know of any RV black tank protocol that calls for "toilet paper that doesn't break up readily in standing water".....
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Old 05-31-2019, 08:48 AM   #25
sonofcy
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I think your reasons for needing to "auger out the toilet pipe" are located above (in red). I don't know of any RV black tank protocol that calls for "toilet paper that doesn't break up readily in standing water".....
True enough. Our problem was exacerbated by the double 45 bend in the pipe. We are not new to camping, our old TT never had a problem but it also didn't have the double 45. The problem we had was caused by three things, TP that stuck to the down pipe walls, too little flush water and the wrong TP. I have a built in rinser but that doesn't rinse the down pipe. Because of using almost 2 gals of water each #2 our boondocking time will be reduced to 4 days now. My wife now knows to buy the special TP.
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