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Old 10-20-2017, 04:56 PM   #1
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Question Chlorinating Fresh Water

We do not have chlorinated water to our house as we live on rural property with a residential well. When I fill our AS 40 gal. fresh water tank, I would feel better if the water was chlorinated. Is there a simple way to do this? If so, what product to I use and how much for 40 gallons? Thanks in advance for your thoughtful responses
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Old 10-20-2017, 05:01 PM   #2
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The product to use would be Clorox brand UNSCENTED chlorine bleach. Bog-standard laundry item available darn near anywhere.

The amount you would need, I'm not so sure of..probably no more than an ounce or so, because you don't need much--I do know that if you can smell the bleach, it's way too munch. Try searching the forum threads for "sanitizing fresh water tank" for discussion on the subject...
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Old 10-20-2017, 05:11 PM   #3
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The amount is on the chlorine container.
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Old 10-20-2017, 05:27 PM   #4
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I use a capful per our 50 something gallon fresh tank.
Barely discernible smell of bleach.
Been doing this for eons.... We drink with no I'll effects.
I use a much stronger solution when I sanitize like I mean it.
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Old 10-20-2017, 06:26 PM   #5
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Originally Posted by curnes View Post
We do not have chlorinated water to our house as we live on rural property with a residential well. When I fill our AS 40 gal. fresh water tank, I would feel better if the water was chlorinated. Is there a simple way to do this? If so, what product to I use and how much for 40 gallons? Thanks in advance for your thoughtful responses
One teaspoon regular-strength unscented Clorox brand bleach per 5-to-8 gallons, according to a number of authorities, including World Health Organization, FEMA, EPA, and CDC. One teaspoon per 8 gallons gives you less chlorine taste and smell, but one per 5 gallons is better if you use water from a questionable source, and will still keep you within the safe concentration of 1 to 4 parts per million of chlorine in the drinking water.

So for your 40-gallon tank you will want anywhere between 6 teaspoons and 9 teaspoons (allowing an extra teaspoon for your water heater's capacity).

The reason why all of these health authorities recommend Clorox is because Clorox quality control guarantees that the actual concentration of chlorine in the bleach is exactly the same from one bottle to the next. No other manufacturer can make that claim (yet).
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Old 10-20-2017, 06:37 PM   #6
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https://www.clorox.com/dr-laundry/di...rifying-water/
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Old 10-20-2017, 06:37 PM   #7
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Thank you for your responses. I know what to do now.
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Old 10-20-2017, 06:41 PM   #8
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btw, by that article from clorox, it's more like 2.5 (concentrated) or probably 3 (regular) teaspoons to the 40gal tank.


But here's another that has 2 teaspoons per 10gal, which is more consistent with the previous posts.


https://www.doh.wa.gov/Emergencies/B...erPurification
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Old 10-20-2017, 07:06 PM   #9
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One teaspoon regular-strength unscented Clorox brand bleach per 5-to-8 gallons, according to a number of authorities, including World Health Organization, FEMA, EPA, and CDC. One teaspoon per 8 gallons gives you less chlorine taste and smell, but one per 5 gallons is better if you use water from a questionable source, and will still keep you within the safe concentration of 1 to 4 parts per million of chlorine in the drinking water.

So for your 40-gallon tank you will want anywhere between 6 teaspoons and 9 teaspoons (allowing an extra teaspoon for your water heater's capacity).

The reason why all of these health authorities recommend Clorox is because Clorox quality control guarantees that the actual concentration of chlorine in the bleach is exactly the same from one bottle to the next. No other manufacturer can make that claim (yet).
I would get forgetfull at about 7 or 8 spoons and then spill a couple spoons. How many shot glasses or something common we might have and spill less often while fooling with diluted sodium hypochlorate? One shot glass?
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Old 10-20-2017, 07:14 PM   #10
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I would get forgetfull at about 7 or 8 spoons and then spill a couple spoons. How many shot glasses or something common we might have and spill less often while fooling with diluted sodium hypochlorate? One shot glass?
6 teaspoons equals one liquid ounce.

The only place that a shot glass is strictly defined is in Utah, where one shot glass holds exactly 1 ounces. Elsewhere, a shot glass may hold anywhere from 1 to 1 ounces if brim full.

So if you're not trying to measure exactly, a shot glass full in a 40-gallon tank should be close.
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Old 10-20-2017, 07:21 PM   #11
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The new search function box above -- with the blue border and powered by Google to search only this forum -- works great FYI. The results for "fresh water bleach" reveal many diverse discussions, and a range of opinions:

https://www.google.com/search?q=fres...=airforums.com

Factors to consider include the previous use/treatment of your 2010 water tank, how long was it empty, how long was there water standing in it, and so forth.

If you want to be safe, an initial treatment with heavy bleach might be justified [including pumping through all lines], followed by a light bleach solution to stand in the tank and all lines.

Too many variables to cover in one post, thus the search results above. The simplistic opinions given here earlier, without knowing the exact circumstances of your specific tank and its history, may therefore not cover your needs precisely IMO.

Good luck!

Peter
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Old 10-20-2017, 08:18 PM   #12
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If you want to be safe, an initial treatment with heavy bleach might be justified [including pumping through all lines], followed by a light bleach solution to stand in the tank and all lines.

Too many variables to cover in one post, thus the search results above. The simplistic opinions given here earlier, without knowing the exact circumstances of your specific tank and its history, may therefore not cover your needs precisely IMO.
Good point.

For the record, my recommendation assumed that the OP is starting with clean tanks that have already been sanitized according to the instructions in his Airstream's owner's manual.
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Old 10-21-2017, 10:38 AM   #13
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There are two times the chlorine odor is pronounced. One is if too much chlorine. That is usually just a smell of chlorine and not overly repugnant. The other time is with not enough chlorine in water with some organic mater. Very strong repugnant odor.
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Old 10-21-2017, 12:16 PM   #14
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I do add a bit of bleach to my water tank but thinking is it really necessary using pre chlorinated city water?
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