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Fresh water tank


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I am looking for some advice.  We will be storing our Ollie in south Florida outside in the sun for a week.  Our water systems were just serviced by Oliver 7 days ago as part of the annual maintenance plan.  We have about half of a tank currently.  Should we drain the freshwater tank for the week or leave it full?  Thanks for your thoughts.  It will be just a week and when we pick the trailer up we will begin using all of the systems right away.  

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Are you drinking the water out of the fresh tank? If so you probably should stop, then you won’t be worried about an occasional odd plastic taste. I typically leave my tank partially filled and then right before a trip I fill it and let the water run out the overflow for five minutes or more. That flushes out or dilutes most of the “stale” water. I don’t use a filter at home (chlorinated city water) but I always do when on the road.

I have been using this for three seasons and it works great.


FYI replacement filters are currently in short supply, buy a three-pack when the price is down to a reasonable figure, I keep several filters in reserve for this reason.

John Davies

Spokane WA

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"Mouse":  2017 Legacy Elite II NARV (Not An RV) Two Beds, Hull Number 218, See my HOW TO threads: https://olivertraveltrailers.com/topic/john-e-davies-how-to-threads-and-tech-articles-links/

Tow Vehicle: 2013 Land Cruiser 200, 33" LT tires, airbags, Safari snorkel.

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John has some good points. Are you drinking the tank water and is it chlorinated? We fill with well water at home. We don't use it for drinking and I drain and replace the water after 1 week. I'd be more comfortable if it was filled with chlorinated city water.

Stephanie and Dudley from CT.  2022 LE2, Hull #1150: Eggcelsior.

Tow vehicle: 2016 GMC Sierra 6.0 gas dually 4x4.

Our Oliver journey: Steph and Dud B's RV Screed

Where we've been RVing since 1999:


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We don’t drink out of our fresh tank.  I pretty much do what John does, I leave the tank (sometimes a month or two between trips) and top off with fresh water letting it overflow for a few minutes.  I do the bleach thing once a year or so.  Mike

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Texas Hill Country | Elite II #135 | Ram 2500 6.7L


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