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Old 02-19-2021, 07:53 PM   #1
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Black and Gray tank question

SO, How many day can I go without emptying the black and gray tanks on my Voltage 3015? I have 2 gray water tanks and 1 Black. It's just me.
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Old 02-19-2021, 10:14 PM   #2
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Originally Posted by Mattf301 View Post
SO, How many day can I go without emptying the black and gray tanks on my Voltage 3015? I have 2 gray water tanks and 1 Black. It's just me.
I'm taking a break this winter, but before that I've been a solo full timer in my Voltage for the past 5 or 6 years. These are my averages...

If I'm traveling a lot... that is, changing locations every week or so... I always dump the tanks before leaving, so duration isn't an issue. But when I'm staying long-term at a single location (2 weeks or more), my routine changes a bit.

I find that I can usually go at least 2-to-3 weeks before needing to empty the black tank. It really just depends how often you "go", and how much water you use when flushing. (NOTE: do NOT be stingy with the water after a bowel movement... as that can cause clogging issues)

As for the grey tanks, it all depends on how often you move, and how you use them. If you don't already know... the forward tank is for the bathroom sink & shower, and the rear tank is for the kitchen and washer-dryer hookups in the garage.

Your shower will fill the front one pretty regularly, but I'd say you can go about a week or so. As for the rear tank.. if you don't have a washer-dryer unit, the only thing accumulating in it is the kitchen sink water, so you should be good for a good 2 weeks or so there.

As for myself, I do have a washer-dryer combo back there, and I run it every 2nd or 3rd day... and that fills the rear tank pretty quick.

So my routine when I'm staying long term is to simply keep both grey tank valves open, and allow them to drain freely. About 2 or 3 days before I know I'm going to dump the black tank, I'll close the front grey tank valve and allow it to fill with shower water, so I can then use it to flush the sewer hose after dumping the black tank.

That said... beware, there is a risk leaving those valves open. I've read & heard of horror stories where the campground had a catastrophic sewer issue, and back-pressure caused sewage to run back up through the hoses, and into the rig. Whether that's true or not, I can't say... but in all my years of camping & RV'ing, I've never personally seen it, or know of any first hand knowledge where it happened to someone else. But the putting the information out there for ya.

That's my experience... your usage may vary.
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Old 02-20-2021, 02:15 PM   #3
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Black and Gray tank question

And in case you are wondering each of those tanks is just under 40 gallons.
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Old 02-25-2021, 12:24 AM   #4
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Water Conservation

Scrape all table scraps from dishes, pots and pans into your refuse can so that your washing and rinsing are minimal. Use a tub in the kitchen sink in which to wash and rinse dishes, and avoid draining any water into your sink drains. Use that water to flush your toilet, or to prime your black water tank.

Don't let the shower run. Use a nozzle head that has a shut off. Take a similar tub (as in the kitchen) into the shower stall and collect as much bath and rinse water as you can while you are showering. If you have on outside shower, bonus-- You can use that to wash your hair. You don't really need to shower every day. In between showers, clean yourself with wash towels, and refresh those towels using your sink water.

Brush your teeth outside.

If in a campground, dispose of any excess water into the local collection station.

invest in one of those black/gray Portable Holding Tanks. If you are in a campground, these can save you from tearing down just to make a trip to the collection station. If not in a camp, you've given yourself another 24-36 gallons of black or gray water storage.

Use a waste outlet cap that has a garden hose port connection. You may be able to drain your gray water into the surroundings (and of course, not by using your fresh water hose). Always travel with several 5-gallon plastic pails. They can come in handy storing dish water.

Remember you will always want to start with 4-5 gallons of water in your black water tank. This could be dish water as well. Always travel with several 5-gallon plastic pails. They can come in handy storing dish water.

and .... most of these things will conserve any fresh water you may have in your tank, if you are dry camping.
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