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Old 10-13-2010, 03:40 PM   #1
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Black and or Gray Tanks holding...

I guess time well tell but about how long will it take a family of three to fill these tanks?

I am certain the gray tank will fill the fastest but just how fast...


any helpful ideas about this well be great.
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Old 10-13-2010, 04:13 PM   #2
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3 showers and a dish washing or two and our gray is showing full. 36 gallon I think. As for the black, wife and ai can go about 6 days. 36 gallon also.
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Old 10-13-2010, 05:32 PM   #3
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all depends on what Unit you have, I have a F305 Sandpiper 5th wheel my Fresh is 54 Gal - Gray is 108 Gals -and Black is 54 and dry camping with 2 it takes use a week to fill the black, and 5 days for the gray, But with the gray water, You can just dump it on the ground, wouldnt try it with the Black eeeeeeewwwwwwwwwwwwww
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Old 10-14-2010, 07:08 AM   #4
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I know that if it is just hubby and myself that the black tank can go at least 2 weeks (30 gal). Gray, well that depends on how much I cook and have dishes to wash. We normally take showers at the bath house, ALL kinds of hot water and 20 times the room!
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Old 10-14-2010, 08:26 PM   #5
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You are not really suppose to dump grey water on the ground many many parks do not allow this
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Old 10-14-2010, 08:38 PM   #6
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Take navy showers & use paper plates. That can reduce the amount of grey water.
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Old 10-14-2010, 11:20 PM   #7
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Our 30 gallon tanks hardly ever fill up with 2-3 days of camping. If you are scared of the showers at the campground & wash dishes alot, just get a Barker portable holding tank.
We switched to strong, paper plates and good plastic silver ware & cups to cut down on grey water.
Seems like we can't ever get a good gauge of our black tank level, even after installing a Tornado. But it does clean alot of garbage off the black tank walls. I wonder about the 2-ply toilet paper breaking down, even with plenty of treatment put in. I keep seeing it wash out through the see-through sewer elbow.
Hope this helps.
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Old 10-17-2010, 08:11 PM   #8
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With me, DH and 2 small kids, we fill the gray tank after about 3-4 days. I'm the only one who showers in the camper - DH doesn't fit and frankly, i don't care if the kids go w/o for a few days as long as they aren't truly dirty. (they're 5 and 7, they don't smell yet, lol) I usually wash dishes 2-3x a day, everyone brushes teeth, washes hands, etc.

Black tank takes a lot longer, i think we filled it the one time we camped for a week straight.

This past weekend, we only had electric - so i used paper plates and burned them in the fire, plus showered (and other stuff, IYKWIM) at the bath house. After 3 nights, gray tank was reading 2/3 full.
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Old 10-17-2010, 10:01 PM   #9
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Some campers have 2 grey and one black tank, as mine does. The galley is in the front by itself, and the bath sink and shower are towards the rear. They are both 30 gallon, I think.
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Old 10-18-2010, 08:08 AM   #10
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We also have two grey and one black water holding tank. We've lived in ours and have found that once a week we have to dump the black water tank and the grey water tank for the galley (we usually leave the shower's grey water tank open - with a full hookup site, this way we can take as long a shower as the hot water tank gives us)
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Old 10-24-2010, 07:18 AM   #11
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on my old (84) trailer w/1 & 1 black, i could take 2 showers and wash 3 loads of dishes before it would fill. the black eaisly lasted a week. my 2002 w/2 gray and 1 black, usually go one day then start dumping ~30 gal each day. after 1 week, it still has room. the black still last a week.
i believe both the 84 and 2002 have 40 gal tanks.
if ur sensors don't work proberly on the black (neither do mine), when it gets full, the water will hesitate like it has to get rid of a bubble before it goes down.
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Old 10-24-2010, 07:54 AM   #12
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Quote:
Originally Posted by JohnandPandra View Post
I wonder about the 2-ply toilet paper breaking down, even with plenty of treatment put in. I keep seeing it wash out through the see-through sewer elbow.
Hope this helps.
There is a thread here somewhere where we discussed various single ply papers. Believe it or not it still takes quite a while to break down even single ply. I had hoped to find one that I would not have to worry about, but unless you buy rice paper (which dissolves as you use it LOL) you are going to see paper coming out if you dump frequently.

A good clean water flush should push out any paper hanging from the sensors, but occasionally you will still have an indicator issue. If so I usually add some Calgon Liquid and a cap full of detergent and blast it again with a closed dump valve (to about 1/2 tank); then dump /flush again.

If you dry camp for a long stretch (6 weeks in FL for us), this is problematic. Dumping to the "Blue Boy" and having to tote fresh water makes flushing a laborious process. I am looking at installing the Horst Miracle Probes in the spring this year when we get back. I plan to let you folks know how that works out for us.
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Old 10-24-2010, 10:22 AM   #13
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Hi herk7769. I use Angel Soft 2 ply "septic safe" toilet ppr frow Wal Mart. If you take a sheet or 2 of this paper, and put it in a clear glass with some water, then take your finger and stir it around, a little, it breaks apart very well, with little agitation. We use this in our RV and home, and have never had any troubles. I do put Calgon in the black tank occasionally, but I rarely need any type of deodorizers, and do not own any type of tank flushing equipment. AND, we live in Florida,(hot) and usually have 6 people camping with us. I think if you try this t.paper, you'd like it-especially since it's 2 ply! Randy
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Old 10-24-2010, 02:45 PM   #14
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For hand washing use hand sanitizer or Wet Ones (sheets in a container). Also, when I brush my teeth, I just fill a cup w/ water & use that. No need to run the tap while brushing.
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