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Open Roads Forum  >  Travel Trailers  >  General Q&A

 > first time sanitize fresh water tanks

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dieseltruckdriver

Black Hills of SD

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Posted: 05/31/20 01:08pm Link  |  Quote  |  Print  |  Notify Moderator

You don't NEED to open the low point drains for sanitizing, just run water through every faucet until you smell the bleach solution. The low point drains just speed things up a little.

I let my anode rod sit dry every winter, but with my water it needs to be replaced every 2-3 years anyway.


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Grit dog

Black Diamond, WA

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Posted: 05/31/20 02:43pm Link  |  Quote  |  Print  |  Notify Moderator

^What he said. Stop overthinking it.
This is literally as simple as filling and draining the water system along with adding a little chlorine when filling it.
In the Time between my last 2 posts, while you were posting, you could have done it twice including flushing.


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rvshrinker

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Posted: 06/01/20 09:19am Link  |  Quote  |  Print  |  Notify Moderator

when i drain the water and water heater, and then refill - do i refill completely full, then drain all that water out, including the water heater? onlline i see people talk about just draining the water until the bleach smell is gone, but wouldnt some of the bleachy residue still be mixed in with my fresh water?

Grit dog

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Posted: 06/01/20 09:48am Link  |  Quote  |  Print  |  Notify Moderator

Chlorine disappears basically 4 ways. Time, UV / air exposure, chemical neutralization or dilution.
Since the system is not really exposed to open air and sunlight, you can either wait, use dechlorination tabs (sodium sulphate, vitamin C , etc) or dilute it.
When disinfecting pipelines I use dechlorination tabs.
Small quantity like a Camper water tank, just fill and drain a couple times.

FWIW, google is your friend here. You can learn a lot about this with a little research.

dedmiston

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Posted: 06/02/20 01:48pm Link  |  Quote  |  Print  |  Notify Moderator

When I was a kid, I had the first drink of water after my dad had earlier sanitized the tank in our TC. I vomited quite a bit that first morning of our trip until my own personal sanitation was complete.

I've never forgotten that and never sanitized the fresh tanks in any of our RVs. If the water has sat too long, I drain it and refill it.

100% vomit free.


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Boon Docker

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Posted: 06/04/20 11:06am Link  |  Quote  |  Print  |  Notify Moderator

dedmiston wrote:

When I was a kid, I had the first drink of water after my dad had earlier sanitized the tank in our TC. I vomited quite a bit that first morning of our trip until my own personal sanitation was complete.

I've never forgotten that and never sanitized the fresh tanks in any of our RVs. If the water has sat too long, I drain it and refill it.

100% vomit free.


Your Dad should have drain and flushed the tank before you took your first drink. [emoticon]

rvshrinker

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Posted: 06/04/20 04:55pm Link  |  Quote  |  Print  |  Notify Moderator

Grit dog wrote:

Chlorine disappears basically 4 ways. Time, UV / air exposure, chemical neutralization or dilution.
Since the system is not really exposed to open air and sunlight, you can either wait, use dechlorination tabs (sodium sulphate, vitamin C , etc) or dilute it.
When disinfecting pipelines I use dechlorination tabs.
Small quantity like a Camper water tank, just fill and drain a couple times.

FWIW, google is your friend here. You can learn a lot about this with a little research.


i figure it was 50 ppm when sanitizing, i drained it all out, so if there’s less than a gallon left in my 80 gallon tank it would be diluted to 100:1, which is 0.5 ppm, probably about the same as municipal water. so i guess i’m done.

i guess if it tastes too much like chlorine in a week or so i’ll drain it one more time.

Varmintmist

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Posted: 06/05/20 11:24am Link  |  Quote  |  Print  |  Notify Moderator

Boon Docker wrote:

dedmiston wrote:

When I was a kid, I had the first drink of water after my dad had earlier sanitized the tank in our TC. I vomited quite a bit that first morning of our trip until my own personal sanitation was complete.

I've never forgotten that and never sanitized the fresh tanks in any of our RVs. If the water has sat too long, I drain it and refill it.

100% vomit free.


Your Dad should have drain and flushed the tank before you took your first drink. [emoticon]
Or maybe that is how he found out that he needed to flush the tanks [emoticon]

I did it in the spring, and will again. Fill with a cup of chlorine in it, let it sit for a day or two, drain and refill. If there is a little chlorine taste left, it is still better than city water. Might do it this weekend.

As a thought... Does anyone who rv's mostly without hookups ever just refill the tank at the end of the trip, add chlorine and let it sit until the next time you run the trailer?


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