Mike134
Elgin, IL
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hmmm I only drain at the end of the year and sanitize in the spring. I'm on well water.
After reading this thread maybe I should do it more often, but then again it might be like changing your oil every 3000 miles, nice but not necessary.
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toedtoes
California
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I think there are multiple factors:
1. The water quality. Is it chlorinated? Is ita bit icky right from the source?
2. How big of a tank.
3. How often do you go out. Are you going out year round? Or does it sits for months between trips? Are you doing a couple 3+ week trips a year or weekend trips every couple weeks?
4. Where the camper is stored. Is it kept at home and you spend time in it when not camping? Are you always tinkering with it and the water comes in handy? Or does it get put away and ignored until the next trip?
If not draining it means the water sits unmoved for months at a time, then I would drain. If I had to fill at an RV park and the water is not as good as my water at home, I'd drain it. Otherwise, I'd just top off between trips and not worry.
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RLS7201
Beautyful Downtown Gladstone, MO
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So much paranoia about FRESH water. I drain and winterize at the end of the season. In 22 years of owning our coach, I have never put anything in the FRESH water tank but water........ The wife, cat and I have never been sick from the water in out coach. I also don't put any chemicals in the waste tanks. There are no leaks, so there is no smell in the coach.
Richard
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chuckftboy
Fleming Island, Florida
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I never seen an expiration date on bottled water. Clean water, in a clean tank could possibly last several years or longer. If your tank is clean and your water is clean when it go in, it might last as long as honey in the Egyption Pyramids.
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rgatijnet1
Florida
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chuckftboy wrote:I never seen an expiration date on bottled water. Clean water, in a clean tank could possibly last several years or longer. If your tank is clean and your water is clean when it go in, it might last as long as honey in the Egyption Pyramids.
Bottled water does have a "best by" date which is usually 2 years from the bottling date. With COVID I'm sure some people let their water tanks sit for 2 years or so.
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toedtoes
California
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RLS7201 wrote:So much paranoia about FRESH water. I drain and winterize at the end of the season. In 22 years of owning our coach, I have never put anything in the FRESH water tank but water........ The wife, cat and I have never been sick from the water in out coach. I also don't put any chemicals in the waste tanks. There are no leaks, so there is no smell in the coach.
Richard
This isn't about sanitizing the tank. It's simply about draining the tank between trips.
It's preference. I personally drink from my tank. To me bottled water, which is sealed, retains a "freshness" that water sitting in an RV tank doesn't. So, if it sits a long time (more than a months or so, I'd rather drain and fill right before a trip.
If you don't drink from the tank, or don't taste a difference between water fresh from the tap and water that's been sitting in a container for a while, then don't drain.
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Cincy Steve
45069
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chuckftboy wrote:I never seen an expiration date on bottled water. Clean water, in a clean tank could possibly last several years or longer. If your tank is clean and your water is clean when it go in, it might last as long as honey in the Egyption Pyramids.
Unlike bottled water, a tank is vented to allow filling/draining. Our tank has an overflow, somewhere underneath, & a vent @ the city fill. Each time tank level drops, via pumping or draining, outside air & is pulled into the tank. (The vent is screened to keep out “large chunks.”)
We drain & refill before each trip. Sanitize 2-3 times/year.
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LMHS
NM
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Last time the 30 gallon fresh tank on the truck camper was filled was in TN in Oct 2021. The water was treated city water. Unless taking a trip, the truck camper only gets taken to town (dog park and shopping so the dog goes with us). We carry a 3 gallon jug that we refill in town at one of the water filtration stations for our drinking/cooking water. Since I have been working on the camper (including some plumbing work) over the past winter and summer, I've had the cover for the fresh tank off. Water has no green or black things in it. Nor does it smell stale or "off". Works very well for flushing and washing hands. At some point it's going to need to be filled again as it's down to 1/4 of the tank (according to the tank level gauge). I think it will be taken it to town and filled from the city water spigot at the store my daughter works at.
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RLS7201
Beautyful Downtown Gladstone, MO
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toedtoes wrote:RLS7201 wrote:So much paranoia about FRESH water. I drain and winterize at the end of the season. In 22 years of owning our coach, I have never put anything in the FRESH water tank but water........ The wife, cat and I have never been sick from the water in out coach. I also don't put any chemicals in the waste tanks. There are no leaks, so there is no smell in the coach.
Richard
This isn't about sanitizing the tank. It's simply about draining the tank between trips.
It's preference. I personally drink from my tank. To me bottled water, which is sealed, retains a "freshness" that water sitting in an RV tank doesn't. So, if it sits a long time (more than a months or so, I'd rather drain and fill right before a trip.
If you don't drink from the tank, or don't taste a difference between water fresh from the tap and water that's been sitting in a container for a while, then don't drain.
Oops, looks like I struck a left nerve. Grooooooooooooooon.
Richard
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toedtoes
California
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No nerve struck. I don't normally sanitize my tank - unless I smell or taste mustiness, etc.
But the OP's question wasn't about sanitizing, it was about draining the tank of water between use.
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