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  1. #1
    Seasoned Camper Extreme's Avatar
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    First Time Black Tank Use

    At the end of the month we pick up our 2500rl and after 3 days on the road we will be bringing it home.
    Question is what do I do to the Black Tank for its VERY first use?
    Keeping in mind I"ll be dumping it at the end of the 3rd day due to we won't be taking the rig out for another 14 days.

    After that we will be taking 4 day trips once every month until August when we will be camping for 3 weeks straight in Colorado.
    I'm a Newbie to all this type of camping. Appreciate any help you can give.
    Thanks

  2. #2
    Seasoned Camper
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    nothing special...just ensure there is an adequate amount of water in there before you begin using it....I typically like to put 5 gallons or so in the tank. I also use one of the Porta-Pak dissolving deodorizers as it helps break down the solid and TP. My unit came with a bottle of Thetford Bio holding tank treatment when I picked it up. So yours may as well. If so, that will get you thru your first 3-day trip.

    Before you dump it, I would add a bunch of water until it is at least 2/3 full and leave that in the tank while you drive to the dump station. it will help agitate things and aid in breaking up any larger chunks for easier removal. Always dump your black tank first and shut the valve before you dump your grey tank(s). The grey tank water will somewhat rinse out the plumbing and sewer hose so it is less of a mess to deal with...
    Jeff and Debbie
    2021 Imagine 2250RK
    2015 Ram2500 Laramie CC 6.7 Cummins Diesel w/air-ride auto leveling
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  3. #3
    Rolling Along AZMike's Avatar
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    Quote Originally Posted by Extreme View Post
    At the end of the month we pick up our 2500rl and after 3 days on the road we will be bringing it home.
    Question is what do I do to the Black Tank for its VERY first use?
    Keeping in mind I"ll be dumping it at the end of the 3rd day due to we won't be taking the rig out for another 14 days.

    After that we will be taking 4 day trips once every month until August when we will be camping for 3 weeks straight in Colorado.
    I'm a Newbie to all this type of camping. Appreciate any help you can give.
    Thanks
    Look for a dump station and dump on your way home. Some places will charge a minimal fee, $5 or so, but many are free.
    Mike & (RIP Karen)
    2021 Imagine 2600RB
    2011 Toyota Tundra 5.7 RW, Tow Package
    Husky Centerline WDH
    Champion 2500DF, Prodigy P2

  4. #4
    Seasoned Camper Extreme's Avatar
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    Excellent thank you.

  5. #5
    Site Team Ynot4me2's Avatar
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    https://kleentank.com/the-geo-method/ this is what a lot of us do. No chemicals and it will keep yours sensors clean.
    Steph & Lise
    2019 F150 Lariat 2.7 EB
    2020 Imagine XLS 22MLE

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    Site Sponsor JCR GD's Avatar
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    Always "recharge" (add water and choice of chem) after dumping. Never leave black tank empty. JM2C
    Jim (& Sharon)
    2015 GD Momentum 385TH - SOLD
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  7. #7
    Seasoned Camper Extreme's Avatar
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    So when the Black tank is not in use I should keep water in it?
    How much clean water should I leave in it?
    Our Black tank is 45 gallons.

  8. #8
    Long Hauler
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    Quote Originally Posted by Extreme View Post
    So when the Black tank is not in use I should keep water in it?
    How much clean water should I leave in it?
    Our Black tank is 45 gallons.
    About 5 gallons is what we leave in ours.

    Sent from my phone using Tapatalk
    Mark & Mary. Full-timing across the USA (and Canada)!
    Current Coach: 2021 Grand Design Reflection 320MKS
    Current Rig: 2019 Ford F350 SD Crew Cab, w/8' box, Lariat, SRW, 6.7l Diesel

  9. #9
    Site Sponsor
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    Quote Originally Posted by Extreme View Post
    So when the Black tank is not in use I should keep water in it?
    How much clean water should I leave in it?
    Our Black tank is 45 gallons.
    I always leave around 5 gallons of water in the black tank. Our black tank is also 45 gallons.

    Chris
    Chris & Karen
    Fort Collins, CO
    2017 F-350 SRW 6.7 Lariat Value CC LB 4x4
    2018 Solitude 310GK - Sold 7/2023

  10. #10
    Seasoned Camper Extreme's Avatar
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    So you leave 5 gallons in the Black Tank even if the Rig is not going to be used for 4 months?
    What about the Fresh Water and Waste Water tanks, do you leave water in them too?

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