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Open Roads Forum  >  Beginning RVing

 > % bleach to sanitize fresh water tanks

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aftermath

Washington State

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Posted: 08/25/20 02:57pm Link  |  Quote  |  Print  |  Notify Moderator

teejaywhy wrote:

SAR Tracker wrote:

Boon Docker wrote:

RoyF wrote:

After draining the bleach, I suggest adding a cup or two distilled vinegar when you refill the tank. Drain again and refill with water only.


What is the reason for the vinegar mixture?


Removes the bleach taste


How do you get rid of the vinegar taste?


Sanitize your tank with bleach. [emoticon]


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coolmom42

Middle Tennessee

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Posted: 09/02/20 11:01am Link  |  Quote  |  Print  |  Notify Moderator

garmp wrote:

Sanitizing the fresh water tank.
Has anyone used this? Looks pretty slick, but what the heck it's just another $30 gizmo to add to the RV paraphernalia list. Just when I thought the cost of the RV ended as we drove off the lot. Live & learn.


Completely unnecessary. Just use bleach.


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K3WE

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Posted: 09/10/20 07:25am Link  |  Quote  |  Print  |  Notify Moderator

4x4van wrote:

Wow, alot of people spending alot of time/effort/worry. I live in the US, which has arguably among the best quality domestic water supplies in the world. If you are using well water, then I can see the use of bleach for an occasional sanitizing, but otherwise?

I've owned 3 RVs, over the course of 32 years. Never sanitized any of the 3. Drink/cook/bathe using the onboard tank. Store with the water (remaining after a trip) for a month or more between trips, simply top off for the next trip. In fact, I only drained the tank once, after the RV had sat for about 2 years during the time when gas was $5+/gallon, since there was a bit of "plastic" taste. Otherwise no bad taste, no sickness, no issues. Of course, we also grew up drinking water out of the green plastic garden hose as well, so...


Yeah there’s a lot of over thinking here, but doing an annual bleach treatment doesn’t make one a germophobe...

Some folks also enjoy optimizing things...can’t fault them either.

Lexx

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Posted: 09/14/20 08:39pm Link  |  Quote  |  Print  |  Notify Moderator

Here's my two cents as a retired healthcare provider. I am concerned not only with the bacteria in the tank, but also in the waterlines.

So to that end, I use the 1/4 cup of Clorox bleach per 10 gal formula. Since my fresh water tank is 43 gal, I use a bit over a cup. I bypass my water filters and siphon the bleach into the tank. Then I fill my fresh water tank until I see water coming out of the overflow pipe.

At that point I run all the faucets and shower in the trailer so that I know there's chlorinated water in the lines. I let that sit for 24 hours. Then the next day I dump that chlorinated water, fill the tank with fresh water and run the lines, dump the rest of the water, refill the tank again, and then dump it again. This way I know I've gotten rid of most of the chlorinated water and I'm confident that the waterlines are fairly clean.

Biofilm in the waterlines is a big issue. Bleach is one of the better ways to kill the biofilm. There are other commercial products we used to use in the office but I'm not sure of their compatibility with our plumbing systems in the trailer.


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ppine

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Posted: 09/15/20 11:43am Link  |  Quote  |  Print  |  Notify Moderator

None of theses measurements are critical. The suggestion to charge a well head which is for thousands of gallons of water is around 2 quarts.

A cup, a few ounces, 5 ounces will work fine if you let it sit for awhile before draining and flushing your tank.

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