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Old 09-04-2018, 06:40 PM   #1
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Black Water Tank Preperation for Trip

Hello. First time RV'er here. Used to go camping all the time when I was under 10 years old. Now 37 so pretty much a newbie.

The salesman recommended to pre-fill the black tank before you leave with your treatment of choice. That way the bathroom was all ready to go as soon as you got to the site or if there was an emergency along the way. I thought this sounded like a good idea but I couldn't remember how much water he said he filled it with.

I can't find any recommendations on the internet on trip preparation for the black water tank. I did find one site that also mentioned to make sure water is in the tank before adding your treatment, but again didn't say how much.

thanks
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Old 09-04-2018, 06:44 PM   #2
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Before I had a tank flush(years ago) I would pour a 5 gallon bucket of water into the toilet now I guesstimate. You just want to have an inch or two in the tank.
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Old 09-04-2018, 08:44 PM   #3
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I generally just run some water down the toilet after emptying the black tank. You dont want a completely dry tank. You might add a chemical deodorizer packet in as well. Other than that, there really isnt anything else to do. Enjoy you trip.
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Old 09-04-2018, 09:31 PM   #4
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I have forty gallon sewage tanks. Only about five gallons of water, or more based on usage as I go, combined with the motion imparted to it all with travel, does a fine job in the black tank.
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Old 09-04-2018, 10:21 PM   #5
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Fill and flush toilet TWICE


Idea is keep bottom of tank wet so anything left behind or new added doesn't stick to tank.
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Old 09-04-2018, 10:21 PM   #6
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Lots of chemicals available. Most folks have a favorite or none at all. I like Happy Camper. Put some in (comes with a measured cup) and a gallon or two of water in a employ tank. Ready to go.
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Old 09-04-2018, 10:24 PM   #7
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Thanks for the replies everyone. From what everyone said I figured I'd dump 2 gallons in along with a drop pod.
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Old 09-05-2018, 08:39 PM   #8
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We always set up for next trip/stop when we dump. Add a few gallons of water (3-5) with your chemical of choice and you're good.
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Old 09-07-2018, 11:25 AM   #9
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!

Congrats on the new rig! I would keep at least a couple of gallons of water in the black tank at all times. I also recommend the Happy Camper tank treatment. We've been using it since 2000 and never have any odors or clogs! Keep her between the ditches!

Good luck, happy trails, and God bless!
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Old 09-07-2018, 11:41 AM   #10
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Quote:
Originally Posted by Old-Biscuit View Post
Fill and flush toilet TWICE


Idea is keep bottom of tank wet so anything left behind or new added doesn't stick to tank.
This is the method I use, except I dump 3 bowl fulls, disolving a scoop of HC in the middle one.
You may want to look at the length of the pipe between your tank, and the dump valve, and judge how much water it's going to take just to fill that up, then extra water to leave a layer of water on the bottom of the tank.
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Old 09-07-2018, 12:02 PM   #11
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I would have thought leaving a pool of water in a metal tank 24/7 (minus winter) would corrode the tank quicker over time. I'll heed to y'all's advice though.
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Old 09-07-2018, 12:11 PM   #12
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Your holding tanks are probably some type of plastic.
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Old 09-07-2018, 01:20 PM   #13
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Originally Posted by syntax53 View Post
I would have thought leaving a pool of water in a metal tank 24/7 (minus winter) would corrode the tank quicker over time. I'll heed to y'all's advice though.
If you have a metal black sewage tank in your very new model year RV trailer in your signature, I'll eat my hat and post it on YouTube for you all to see.
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Old 09-08-2018, 11:45 AM   #14
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Quote:
Originally Posted by 96 Wideglide View Post
Your holding tanks are probably some type of plastic.
Agreed. Should be plastic.
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