Black tank

Comments

• Bayliss Member Posts: 1,425

  May 2023

  @crowsnest, only from the toilet.

  2019 T@B 320 S Boondock Lite; 2025 Toyota Tundra CrewMax 4x4
  (Alde: 3020; Refrig: Isotherm Cruise 65 Eleg; Battery: BB 100Ah LiFePO4; Solar: Renogy 220W Portable Suitcase; Victron BMV-712; Pwr Cntr: PD-4135KW2B; EMS: PI-HW30C)
  Greg & Marlene (Tucson, AZ)
  
  
  

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• crowsnest Member Posts: 50

  June 2023

    
  

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• crowsnest Member Posts: 50

  June 2023

  With full hookups should I leave the black tank drain closed until it’s close to full so that the enzyme treatment can work? It seems that if it’s left open “stuff” will just sit there until there’s enough liquid to help it drain. 

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• Slackers Member Posts: 491

  June 2023

  The water from several flushes will soften all the shtuff in it and make emptying the tank flow so much better.

  2019 Tab 320 CSS, 2019 Ranger TV, OH

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• VictoriaP Member Posts: 1,496

  June 2023

  Never leave the black tank valve open while hooked up. That’s how you end up with the dreaded poop pyramid directly beneath the toilet. Open that valve only when you’ve got a decent mix of liquids with your solids, preferably around 2/3 full, and when you have plenty of water to flush the tank out after dumping.
  
  You do NOT want to deal with the mess that can occur from not having enough liquid to push things along. Anyone who’s dealt with a poorly maintained black tank in a used RV can attest.

  2019 320s BD Lite, white with blue (“Haven”)
  2015 Subaru Outback 3.6r (unsafe 200lb tongue weight limit until 2020 models)
  2020 Subaru Outback XT
  Pacific NW

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• Marceline Member Posts: 1,673

  June 2023

  crowsnest said:

  Hi. Does the black tank only fill from the toilet or does it include bathroom sink and/or shower?

  Most T@Bs have a separate black and gray tank, but the early Pleasant Valley T@Bs (2012-2014?) have a single combined tank. 

  San Francisco Bay Area
  2013 CS-S us@gi
  2015 Toyota Tacoma PreRunner Double Cab

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• Sharon_is_SAM Administrator Posts: 9,958

  June 2023

  Didn’t know that @Marceline.

  Sharon / 2017 T@B CSS / 2015 Toyota Sienna Minivan / Westlake, Ohio
  

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• Bayliss Member Posts: 1,425

  June 2023

  Either did I, @Marceline.  Thanks for sharing that tidbit of information.

  2019 T@B 320 S Boondock Lite; 2025 Toyota Tundra CrewMax 4x4
  (Alde: 3020; Refrig: Isotherm Cruise 65 Eleg; Battery: BB 100Ah LiFePO4; Solar: Renogy 220W Portable Suitcase; Victron BMV-712; Pwr Cntr: PD-4135KW2B; EMS: PI-HW30C)
  Greg & Marlene (Tucson, AZ)
  
  
  

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