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#245275 - 04/24/12 01:13 PM Re: water purification help [Re: LesSnyder]
chaosmagnet Offline
Sheriff
Carpal Tunnel

Registered: 12/03/09
Posts: 3436
Loc: USA
Good info, thanks!

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#245290 - 04/24/12 08:32 PM Re: water purification help [Re: LesSnyder]
LesSnyder Offline
Pooh-Bah

Registered: 07/11/10
Posts: 1639
Loc: New Port Richey, Fla
possibly crush up a "Tums" which has some Al(OH)3 (don't know how to subscript the 3) and see how stable the pH stays for a while....

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#245348 - 04/26/12 07:08 PM Re: water purification help [Re: LesSnyder]
Treeseeker Offline
Member

Registered: 03/29/12
Posts: 181
Loc: California
The best way to determine if you have enough chlorine to disinfect is just to use a chlorine test kit. I remember that someone posted a youtube video of how he prepared 5 gal water storage bottles using such a test kit. They are just pool test kits and I think they run about $15-20.

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#245652 - 05/06/12 02:36 AM Re: water purification help [Re: chaosmagnet]
Mark_M Offline
Enthusiast

Registered: 11/19/09
Posts: 295
Loc: New Jersey
Originally Posted By: chaosmagnet
In other words, it's not too heavy, bulky, or expensive to include in my big kit.


It takes 16 drops of bleach to disinfect 1 gallon of water. There are 600 drops of bleach per ounce. A small, 2-ounce dropper bottle of bleach can treat 75 gallons of water.

I prefer to filter, but carry a dropper bottle of bleach (and a metal cup) as a backup. The best container is a small, dark-colored bottle with an eye-dropper top, such as you get from the pharmacy with children's medicine. My pharmacist was happy to sell me a new one for $3.00 when I picked-up other prescriptions.
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#245655 - 05/06/12 03:53 AM Re: water purification help [Re: Mark_M]
Teslinhiker Offline
Veteran

Registered: 12/14/09
Posts: 1413
Loc: Cranbrook BC (Finally)
Just to elaborate on what Mark mentioned.

8 parts of bleach is about a 1/8 teaspoon which will disinfect clear water. Converesly, 16 drops is a 1/4 teaspoon which is reccommended for cloudy water. If you are not sure which is the right amount, then it is better to err on the higher dosage of bleach.

Some years ago, when my SO did NGO aide work overseas in some of the most impoverished countries on the planet. Then as now, it was not uncommon to treat water with even higher doses of bleach if there was any doubt on the effectivness of the standard 16 drops for cloudy water.
_________________________
Earth and sky, woods and fields, lakes and rivers, the mountain and the sea, are excellent schoolmasters, and teach some of us more than we can ever learn from books.

John Lubbock

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#246383 - 05/29/12 03:17 AM Re: water purification help [Re: Teslinhiker]
Quietly_Learning Offline
Member

Registered: 05/29/12
Posts: 164
This sounds like a great way to disinfect water over an extended period of time. My concern is what are and do I need to worry about the "other" ingredients in pool shock?

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#246405 - 05/29/12 02:15 PM Re: water purification help [Re: LesSnyder]
chaosmagnet Offline
Sheriff
Carpal Tunnel

Registered: 12/03/09
Posts: 3436
Loc: USA
The pool shock I bought only lists one ingredient.

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#246425 - 05/30/12 01:59 AM Re: water purification help [Re: chaosmagnet]
Quietly_Learning Offline
Member

Registered: 05/29/12
Posts: 164
Thanks Chaosmagnet. I will do more research. Everything I find lists high 60% to low 70%.

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#246428 - 05/30/12 04:05 AM Re: water purification help [Re: LesSnyder]
dougwalkabout Offline
Crazy Canuck
Carpal Tunnel

Registered: 02/03/07
Posts: 2921
Loc: Alberta, Canada
A side note: watch your units, folks. This site reaches beyond the USA. For example, US gallons are not the same as Imperial gallons. The volumes of sterilizing agents must obviously be adjusted.

IMO, it would be best practise to cite and link to known authorities. Things change (sometimes rapidly), and the external links will generally be more up-to-date.



Edited by dougwalkabout (05/30/12 04:06 AM)

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#246432 - 05/30/12 09:27 AM Re: water purification help [Re: LesSnyder]
LesSnyder Offline
Pooh-Bah

Registered: 07/11/10
Posts: 1639
Loc: New Port Richey, Fla
the box stores around me are not carrying calcium hypochlorite based pool shock, but rather trichloro-s-triazinetrione..does anyone have an accredited link comparing it to the Ca(ClO)2 for long term shelf life, and titration for 5 gal amounts?... all I can find from non governmental sources is for 50 gallon (US) dilutions

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