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Water storage - how long


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#1 geek

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Posted 08 April 2015 - 11:33 PM

As the title, if tap water is stored in a container say within an integral garage, how long will it remain drinkable?


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#2 Guest_Stacka_*

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Posted 09 April 2015 - 05:51 AM

Put two copper coins in it. They keep the water cleaner longer.

Trick I learnt from the Tuaregs, in the North of Mali. I use it now every time I go to the J too.

#3 brown dog

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Posted 09 April 2015 - 06:27 AM

Trick I learnt from the Tuaregs, in the North of Mali. 

 

Awesome one-liner!  

:lol:     :)  :)


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#4 Guest_Stacka_*

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Posted 09 April 2015 - 06:47 AM

Awesome one-liner!  
:lol:     :)  :)


How so?

#5 Mauser3006

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Posted 09 April 2015 - 06:58 PM

As the title, if tap water is stored in a container say within an integral garage, how long will it remain drinkable?

Geek, you raise a good question.  I have 100 litres of water in my garage in 5 plastic army jerrycans, and every 12 months or so, I rotate it.  But I should probably do a taste test before too long!  I think I work on the assumption that should I need it, I'll be desperate anyway. It can't taste worse than the stuff the Royal Engineers produce (he says confidently).  I also have a massive stash of Screech (the electrolyte powder) which would dilute it a bit.  Tell you what, I'll have a sip at the weekend, it's been in there for about a year anyway so is due a change over. 


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#6 meles meles

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Posted 09 April 2015 - 09:16 PM

Ah, screech...

 

Lemon or the weird purple stuff?



#7 gbal

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Posted 09 April 2015 - 09:39 PM

Put two copper coins in it. They keep the water cleaner longer.
Trick I learnt from the Tuaregs, in the North of Mali. I use it now every time I go to the J too.


Hmmm perhaps..copper compounds might act as fungicides, by changing pH acidity and inhibiting bacteria. But....

Does copper actually dissolve in water? My chemistry seems ...... err,rusty on this point..Penny for your thoughts on this too:-

There seems to be a fair bit of copper piping around in my central heating system. Just as well (no pun intended,Tuaregs) I have a few years supply of logs for the cast iron Hunter stove,(and it's spare back up,of course,which is just a tad rusty in places).

gbal
probably my cultural intel too-but was not the alasho thought to ward off evil spirits (as well as sand),not that I'd suggest pld wives tales,even in a strong matrilineal society.
The Tuareg are rightly more concerned about their water than we need be of our chlorinated supplies.

#8 Brummy Mark

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Posted 01 May 2015 - 02:54 PM

I seem to remember some research on chemicals and BPA in plastics that leech into whatever is stored in them, I wouldn't use cheap plastic water bags you get for a fiver from the caravan shop, probably not the best thing for long term storage of water.



#9 Mauser3006

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Posted 02 May 2015 - 07:59 PM

I seem to remember some research on chemicals and BPA in plastics that leech into whatever is stored in them, I wouldn't use cheap plastic water bags you get for a fiver from the caravan shop, probably not the best thing for long term storage of water.

 

Mark, I think you're right, but I do actually have a load of those caravan fold out water bags (unfilled).  You can pick them up for nothing in the autumn sales and I think that they would be very useful for (very short-term) water carriage.  Particularly if you were having to walk a long way to a water source for example.  When I started to think about where my nearest water source was in the event that the H2O stopped coming out of the taps, I realised that I would need the means to carry it efficiently.  A few of those and a wheel barrow and I think I'm sorted.


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#10 sauer

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Posted 11 November 2015 - 10:07 PM

Water butt at back of garage , filled from guttering on the garage . Tee'd into a don pipe to drain, not the cleanest but doesn't take long to fill with weather we get .

I'm guessing the biggest hassle would be boiling it as needed for drinking / cooking .

Paul

#11 eldon

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Posted 12 November 2015 - 09:35 PM

Legionella's could be an issue if the temperatures rose i.e. warm garage in summer.

Clear containers are useless as well if there is any exposure to sunlight i.e. sun rays through a window.

 

For me the only suitable container for the long term storage would be 316 stainless steel.



#12 eldon

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Posted 12 November 2015 - 09:38 PM

..... and an open topped water butt  :o have you seen what grows in there?

Try draining yours off and you'll be surprised at the amount of crud and rubbish in the bottom! 

This wouldn't be any better than a puddle on a track.



#13 simonl

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Posted 12 November 2015 - 10:55 PM

..... and an open topped water butt  :o have you seen what grows in there?

Try draining yours off and you'll be surprised at the amount of crud and rubbish in the bottom! 

This wouldn't be any better than a puddle on a track.

and the frogs can't get out...



#14 sauer

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Posted 15 November 2015 - 12:17 AM

the water butt is fully closed , it sits at back of the garage and comes with a kit to tie it into the downside od the drain / guttering , there is also a basic filter .... But it is enclosed and not see thought to Suns Ray's , so the frogs are safe.... Or toads as is what hangs around the garden....

Yup agreed not the most appetising but if needed .... Water supply is interrupted .....and of course would be boiled the hell out of before using maybe throw n some purification tablets too? I have no experience with such tablets....if you buy them what ones to get what kind of shelf life do they have ?

Paul

#15 brown dog

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Posted 15 November 2015 - 08:26 AM

..... and an open topped water butt  :o have you seen what grows in there?

Try draining yours off and you'll be surprised at the amount of crud and rubbish in the bottom! 

This wouldn't be any better than a puddle on a track.

 

Yup, but at least it'd be on-site water. A quick coarse filter and then pump it through one of the water treatment pumps (such as katadyn) and I'd have thought you'd be good to go (?).


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#16 Davy

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Posted 15 November 2015 - 09:05 AM

Legionella's could be an issue if the temperatures rose i.e. warm garage in summer.

It is many years since I had to deal with such stuff however from memory it is only if the water is in aerosol form, so shower heads, evaporative coolers and similar as opposed to standing water. You can deal with water to prevent it by double dosing with biocides so alternating types monthly as the bugs build an immunity over time. A glug of chlorine sorts them out regardless and the water can still be used with some care


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#17 ted105

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Posted 15 June 2016 - 04:10 AM

A Tiny amount of chlorine,will do the job.Check on line for dilution rates to be safe.



#18 Mauser3006

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Posted 06 August 2016 - 08:45 AM

As the title, if tap water is stored in a container say within an integral garage, how long will it remain drinkable?

 

I have just moved house so I got rid of my 120 litres for the move.  Having been stored in military issue type water jerry cans for about 18 months the water was absolutely drinkable if tasting a tiny bit like it had been stored in a plastic container! 


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#19 VarmLR

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Posted 23 August 2016 - 06:05 PM

Bacterial growth and the presence of possible viral contagion in any type of container is the issue here, not necessarily whether 316L or plastic is used.  Water butts...hmmm...very high on biochemical oxygen demand due to organics within water.  Safe to drink only if freshly gathered and properly filtered but even then you're best advised sterilising it.  There's some pretty decent survival-type filters available and you can even buy/assemble some fairly sophisticated filters designed originally for the water industry but down scaled for domestic use.  Even bags of GAC are freely available these days but filtration alone even to very fine standards may not be sufficient to protect against viral infections (although they'll effectively strip most unwanted chemical risks from the water), so sterilising is really a must for anything other than potable water unless the source is free of contaminants and you know that.  Even bottled water from a  shop has staggeringly high levels of bacterial growth after a few days if opened, even if only a little is used.  Refrigeration slows down the bacterial risk but won't eliminated it. Once sterile, a decent stainless container which is properly sealed will keep water drinkable for a very long time unless opened.  Even slight biological contamination will kick start bacterial growth. Superchlorinated tap water is usually ph corrected before going into the mains, and then re-dosed with very small levels of chlorine to keep the water potable whilst in the system (literally a few pp). If left in an open container overnight, most of the chlorine will be stripped out leaving the water vulnerable to bacterial contamination, so the trick is to keep it covered (in sealed containers) until it's needed, preferable in a cool and dark storage space.



#20 Tikka4Sika

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Posted 10 July 2017 - 08:14 AM

Put two copper coins in it. They keep the water cleaner longer.
Trick I learnt from the Tuaregs, in the North of Mali. I use it now every time I go to the J too.

Do they ask you to supply the coins :) ?




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