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Tips for the RV Holding Tank

June 21, 2010

With all the enjoyable aspects of RVing comes the less pleasurable chores such as holding tank maintenance. Here are a few tips to make this chore a little more bearable:

  • Use the heavy duty sewer hoses. They don’t cost much more and they hold up better.
  • Have a 10′ & 20′ hose on hand. Depending on your distance to the dump site, you should have the right length of hose.
  • Do not pull or drag the sewer hose on the ground. This will cause it to tear or get pin holes in it.
  • Use a sewer hose support to get a hood angle from the RV to the dump site so the tank will drain properly.
  • Never dump black water until the tank is at least 2/3 full so the weight and volume will force the contents to drain properly.
  • Do not leave your black water valve open and expect the toilet to work like your toilet at home.
  • Dump your black water first, then your gray water to help flush your sewer hose out.
  • Treat your tanks with enzyme-based chemicals not formaldehyde-based to assist in controlling odors and to break down solids.
  • Use only quick dissolve toilet paper to avoid tank sensors getting blocked and your tank backing up.
  • If your trailer is equipped with a black tank flush system, attaching a water hose and flushing the tank as you empty it is a very good way to keep your black water tank clean.


Bretz RV & Marine has the SmartDrain® Premium Sewer System from Thetford, the longest lasting, most durable sewer system available!

Do you struggle with:

  • Leaks, pinholes in sewer hoses
  • Leaking connections, leaking fittings
  • Unreliable connections, bayonet ears break
  • Difficulty making connections, disconnections
  • Dump station fit issues
  • Problematic hose storage

Thetford’s SmartDrain solves all of these problems – and more!

The SmartDrain includes everything you need to make the SMART choice:

  • 15-foot Premium SmartHose™ (see below for details)
  • Pre-attached SureLock™ Fittings
    • Provide reliable, leak-proof connections on each end of hose
  • RV Valve Adapter
    • Four-slot dial seals tight — stays tight. Easy to grip and reliable
    • Can be permanently affixed to your outlet to speed up the evacuation process
  • Multi-use End Cap
    • Can be used to cap or plug any SmartDrain opening you choose
  • Universal Sewer Fitting with Handle
    • Stepped to fit and secure into virtually every dump port
  • 90° Nozzle Fitting with Handle
    • Quick, easy and clean way to maneuver the SmartHose
    • Securely fits into the Universal Sewer Fitting
  • Storage Options
    • Hose compresses to fit bumpers and storage tubes
    • Ends lock for sealed and clean storage

Thetford Smart Drain Sewer Hose - SALE: $69.95!

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One Comment leave one →
  1. June 22, 2010 4:35 am

    This is a very interesting article.I’m impressed!! the posts are very interesting!

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