Good Sam Club Open Roads Forum: Cleaning Fresh water tank and water heater
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 > Cleaning Fresh water tank and water heater

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Taffy.C

MN

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Posted: 03/10/21 08:26pm Link  |  Quote  |  Print  |  Notify Moderator

Hi There. Its a while since I've sanitized my freshwater tank and water heater (been in storage for a while) and can't remember exactly the procedure. I remember that I used to dilute bleach with water and add to the water tank and then open the valve into the water heater. But I don't remember the right ratio of bleach to water or how long to leave it for.

Appreciate help.

Thanks,


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Old-Biscuit

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Posted: 03/10/21 09:08pm Link  |  Quote  |  Print  |  Notify Moderator

¼ cup of bleach for every 15 gallons of water tank capacity .....mix the required amount of bleach in gallon of water then add to fresh water tank

Leave overnight then drain/flush-rinse until bleach odor is gone


Is it time for your medication or mine?


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Rover_Bill

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Posted: 03/10/21 09:57pm Link  |  Quote  |  Print  |  Notify Moderator

I use the ratio of 1/4 cup bleach for 10 gallons of water for at least 24 hours. I drain and flush any antifreeze out of the system first. I then put 1 cup of bleach into a gallon jug, fill it with water to dilute it, dump it into my empty fresh water tank, and then fill my 40 gallon tank with fresh water. I run the water pump to fill the water lines and water heater with the bleach solution until I smell bleach from each tap. I refill the water tank and let it sit for at least 1 day (2 days wait and a short 20 mile drive would be better). I finish by draining and flushing the bleach solution and filling the tank with fresh water.


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kellem

Shenandoah valley,VA

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Posted: 03/11/21 06:04am Link  |  Quote  |  Print  |  Notify Moderator

Similar to above posts except I only wait a couple of hours, then flush the system.

ZINGERLITE

Union Lake, MI

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Posted: 03/11/21 07:59am Link  |  Quote  |  Print  |  Notify Moderator

Are there clues as to when you should do this? or should this be a once a year/every couple years maintenance thing?

Grit dog

Black Diamond, WA

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Posted: 03/11/21 09:43am Link  |  Quote  |  Print  |  Notify Moderator

ZINGERLITE wrote:

Are there clues as to when you should do this? or should this be a once a year/every couple years maintenance thing?

If your water is smelly, or more often if you're a germaphobe.


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Taffy.C

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Posted: 03/11/21 10:22am Link  |  Quote  |  Print  |  Notify Moderator

Thanks for those answers. One more question - Is it best to drain the water heater after the sanitization, or is it ok just to leave the faucet open and pump fresh water through until the bleach smell goes away?

jdc1

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Posted: 03/11/21 10:33am Link  |  Quote  |  Print  |  Notify Moderator

Taffy.C wrote:

Thanks for those answers. One more question - Is it best to drain the water heater after the sanitization, or is it ok just to leave the faucet open and pump fresh water through until the bleach smell goes away?


There's chlorine in city water. Just flush it until you are comfortable.

Boon Docker

Mountain Foothills of Southern Alberta

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Posted: 03/11/21 10:51am Link  |  Quote  |  Print  |  Notify Moderator

Taffy.C wrote:

Thanks for those answers. One more question - Is it best to drain the water heater after the sanitization, or is it ok just to leave the faucet open and pump fresh water through until the bleach smell goes away?


Either way works, it is just quicker to drain the tank.

Boon Docker

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Posted: 03/11/21 10:54am Link  |  Quote  |  Print  |  Notify Moderator

kellem wrote:

Similar to above posts except I only wait a couple of hours, then flush the system.


Same here, 1/4 cup bleach per 10 gal and a couple hours. No need to wait 24 hours.

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