Necessity to drain fresh water - Escape Trailer Owners Community

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Old 03-20-2018, 08:36 AM   #1
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Necessity to drain fresh water

When should the fresh water tank be drained? Obviously when winterizing, but what about other times when the trailer is stored? If I'm going to storage for a month, should I drain it? Does the temperature make a difference, hot weather versus cool?
I'm now in storage for 3 weeks and not sure what is the best policy.
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Old 03-20-2018, 09:05 AM   #2
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I'm sure you'll find other answers, but for us, we flush our water out before we are on our last leg home or know we will have fresh water at the next stop; it also helps reduce travel weight. Our practice is to never store the trailer with water in its tank if it stands more than a week--we live in a hot summer climate and are concerned about water freshness. Two days before we leave for a trip we sanitize the system


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Old 03-20-2018, 09:12 AM   #3
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You'll probably find all kinds of different responses on this, but we only drain all the water when winterizing. If things seem a little "funky", we'll sanitize the system with bleach and flush, or use vinegar to remove scale. Otherwise, we usually empty the tank enough during our stays to not travel with too much on board. We've never had an issue with aliens living in our plumbing, especially with city water. I can imagine aliens liking well water better.
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Old 03-20-2018, 09:49 AM   #4
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Quote:
Originally Posted by thiggins View Post
You'll probably find all kinds of different responses on this, but we only drain all the water when winterizing. If things seem a little "funky", we'll sanitize the system with bleach and flush, or use vinegar to remove scale. Otherwise, we usually empty the tank enough during our stays to not travel with too much on board. We've never had an issue with aliens living in our plumbing, especially with city water. I can imagine aliens liking well water better.
The products used for descaling coffee makers works much better than vinegar for removing scale, with no pungent odor. Flush tank and system well after use.
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Old 03-20-2018, 10:37 AM   #5
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When we get back home from every camping trip we empty our fresh water tank and water heater . When we get to the first stop on our next trip we add water to the tank and water heater. We find that well water that sits in our tank for more than a week starts to take on an unpleasant taste.
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Old 03-20-2018, 10:54 AM   #6
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I always drain after every trip.
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Old 03-20-2018, 11:47 AM   #7
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In my opinion draining the fresh water tank isn't very effective at reducing bacterial growth. Even if you empty the tank there is still stagnant water left at the bottom and it is a great breeding ground for bacteria. The residual water means the walls of the "empty" tank can be very moist as well. Temperature and light are factors affecting the amount of growth, but people don't appreciate how much microbial growth is possible in stored water. See other threads on this forum for a better understanding (there are differing opinions). The first important question is do you or don't you drink the "fresh" water.

If you just use it to flush the toilet and wash, once a year maintenance is probably adequate. If drinking the water, I would amp up the maintenance and sanitize your fresh water after anything more than a few weeks storage. If you have a healthy immune system and don't mind drinking bacteria rich water you could leave sanitation to once or twice a year.

My point of view is based on supervising hospital laboratory grade water systems over many years and monitoring bacterial and algae growth. Even the purest water can grow a surprising amount of crap if left stagnant. Also, if there is even a short dead end in a water system's plumbing it can prevent water turbulence from scrubbing away bacteria and they get a foothold.

I'm sure others will testify to not being grossed out by bacteria or other microbials in water and I think it depends on how healthy an immune system you have.

Bob K

p.s. We bring one or two containers of tap water from home when we camp and refill as we need to.
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Old 03-20-2018, 11:58 AM   #8
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There are few benefits of having the fresh water tank inside the trailer, ala Scamp and Casita, but the best is being able to put a deck plate on the top and then being able to thoroughly dry the tank, along with scrub the inside by hand. Shoot.
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Old 03-20-2018, 12:53 PM   #9
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Bob K, - thanks, I was hoping you would give your input.

We drink from our freshtank so I sanitize after trips and again before leaving if it is going to be much more than a few days in storage. Being a beer brewer I always have some no- rinse sanitizer around that makes the process much easier during the season. At the end and beginnings of winter storage I always do a bleach based cleansing.
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Old 03-20-2018, 01:07 PM   #10
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i don't drink the water i use it for washing bathing etc... i just sanitize yearly.
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