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Old 07-11-2016, 08:41 PM   #11
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...it makes a nice brown geyser out the roof stack!
Speaking from experience?
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Old 07-11-2016, 08:47 PM   #12
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Oh yeah.. Old Poopful blew out the roof in Orlando... Never made that mistake again..

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Old 07-11-2016, 09:59 PM   #13
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Ugghhh!
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Old 07-12-2016, 07:24 AM   #14
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Oh yeah.. Old Poopful blew out the roof in Orlando... Never made that mistake again..

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Ay caramba! DEFINITELY the kind of mistake you don't make twice.
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Old 07-12-2016, 07:46 AM   #15
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There will always be "stuff" in the black/gray tanks. Just do your best to flush it every so often(I do this when on full hookups), but then don't worry about it. Many people get fixated on this, and have to have it "clean". My routine for the last 15 years, is to always re-prime the black tank after dumping. In other words, once dumped, close the black drain valve, dump the tank deodorizer in, along with 3 toilet bowls full of water, now you are ready to roll for the next trip. Never leave the tank dry, and it will give you good service for many years.

Dave


X2 same thing, leave ready for next trip. We seldom use black flush as the Dump Station do not have hose fittings. 90% we camp with only electric. On top of this water is not plentiful and we should not waste it cleaning a black tank.
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Old 07-12-2016, 03:37 PM   #16
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Ugghhh!
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Ay caramba! DEFINITELY the kind of mistake you don't make twice.
Luckily I had flushed the tanks several times prior so it was actually pretty clean water... As clean as a black tank COULD be!
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Old 07-20-2016, 02:41 PM   #17
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X2 same thing, leave ready for next trip. We seldom use black flush as the Dump Station do not have hose fittings. 90% we camp with only electric. On top of this water is not plentiful and we should not waste it cleaning a black tank.

I empty the black water tank and then close the valve and using the black tank flush about fill the tank again and empty and keep doing that until the water runs clear. I don't use my outdoor shower so that hose stays hooked up to the black water flush. I sometimes use hot water to wash out my black tank. Works for me


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Old 09-24-2016, 08:51 PM   #18
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How to clean the black tank

The biggest reason that holding tanks, on Forest River Camper, do not fully drain, is because they use "Flat-Bottom Tanks" instead of "Sloped-Bottom Tanks".
Our previous 5th wheel was a Keystone Copper Canyon, it had "Sloped-Bottom Tanks", and that camper would "almost" completely drain, when the camper was level.
Our current 5th wheel is a Forest River Cedar Creek Silverback, and has "Flat-Bottom Tanks". The bottom of the tanks "Bow Down" on the bottom, especially when filled with liquid.
When the camper is level, as when set-up at a campsite, the tank will never fully drain. There will be 2 - 3 gallons of liquid left in the tank. With the black tank, that means there will always be "poop" (smell) in the tank.
Our camper has the Lippert 6-point Level System. When we get ready to leave a campsite, the last thing I do is use the hydraulic system to raise the front landing gear, to 1.2 deg high in front, then raise the right side to 1.2 deg high on the right side.
I then do my normal back flushing. I use a Flush King & flush each tank until they run clear water.
There will be 2 - 3 gallons of liquid drain from each tank after the the camper has been tilted.
I just wish Forest River would use the "Sloped-Bottom Tanks" so they would fully drain when level.
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Old 09-24-2016, 11:58 PM   #19
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I dump, use my black tank rinse and clear plastic elbow to view and then once clear water comes, pull the grey water. I run the taps in the sinks and then dump the grey again. Shut the gate valves. Add some "Happy Camper" run the water in the toilet and sinks for a minute and Alls good!

"Happy Camper" is the best on the market, IMHO. We never leave home without it.
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Old 09-25-2016, 06:05 AM   #20
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We also use Happy Camper... have for 3-4 years.
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