When to dump? |
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techntrek
Admin Group - pHp Joined: 29 Jul 2009 Location: MD Online Status: Offline Posts: 9059 |
Topic: When to dump? Posted: 27 Mar 2015 at 4:01pm |
Yup, its the solids. It is ok to leave your gray tank wide open if you have full hookups, or to dump it at the dump station even if it is barely full.
Black tanks, if dumped when they are too low, will build up a mound of stuff near the drain pipe that will end up drying rock solid, with no good way to get rid of it. That will allow further stuff to build up until you have major problems. There are 3 rules to prevent problems with the black tank. Rule #1, after adding chemicals via the toilet after dumping, add 6 full toilet bowls of water. That ensures that anything that may be left behind will stay wet. Rule #2, always fill the toilet bowl at least 2/3 full for any #2 trips to the bathroom. You may need to flush twice, depending. (there is a reason this is rule #2, lol). Rule #3, never dump the black tank until it is at least 2/3 full. Since the sensors are almost always useless sometimes the best you can do is wait until you see the pipe below the toilet start to fill up (at that point you usually have one more flush before it is full). Then you know it is time.
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Doug ~ '10 171 (2009-2015) ~ 2008 Salem ~ Pod instruction manual
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furpod
Moderator Group - pHp Joined: 25 Jul 2011 Location: Central KY Online Status: Offline Posts: 6128 |
Posted: 27 Mar 2015 at 12:56pm |
The more full, the better the draining action.. and if you need to move some solids along.. better is BETTER.. ;)
If you aren't "full"ish, before heading to the dump station, just add water to the holding tanks to get them full enough.. |
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Tars Tarkas
Senior Member Joined: 14 Jan 2013 Location: Near Nashville Online Status: Offline Posts: 1446 |
Posted: 27 Mar 2015 at 12:52pm |
It probably mostly has to do with the fact that a more than full black tank, or grey tank for that matter, is not something you want to have to contend with. That and most level indicators are approximate, if they work at all.
TT |
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2010 176
FJ Cruiser |
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Grayotter
Groupie Joined: 06 Aug 2014 Location: Morro Bay Online Status: Offline Posts: 60 |
Posted: 27 Mar 2015 at 11:57am |
i believe it's recommended we dump our gray or black water when they're 3/4 full. Is there any reason for this?
I frequently camp in parks with no dump site. When one's available I use it.
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Love2 1der
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