Water preserver.

[NorthernRaider]

(19 November 2011, 16:25)Twoesme Wrote: And what about sea water ,Loads of that stuff about ,whats the best way to purifi sea water ,can you get tablets for this

No, reverse osmosis and evaporation are your only choices I know.

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(14 December 2011, 08:53)WetandCold Wrote: The water had been stored in these for 3 years just over and not disturbed at all, on inspection the water was very clean and at the bottom of the barrel there was a very tiny amount of a white powder almost chalky this would have weighed less the half a gram if all was collected, not much at all. (no idea what it was)

Prolly chalk if your in a chalky area settling out or a minor sediment but normally its likely to be aluminium sulphate settling out (I think) used by water companys to give the water a clear polished finish.