Re: [RML] Unhappy Xmas III (long)
Adrian Tappin (tappin at powerup.com.au)
Fri, 22 Dec 2000 05:32:50 +1000
At 12:30 20/12/00 -0800, Wright wrote:
>Adrian Tappin wrote:
>
>snip...
>
> >
> > I would not use any Brisbane water in any aquariums without using Chlormon
> > as it will take a long time for Brisbane water to be safe for keeping fish
> > when only stored (aged).
>
>What, you might ask is a long time? Early aquarium scuttlebut (often
>slipping into print) was a week or ten days. Not so.
>
>You can imagine our shock, when the biologist for the San Francisco Water
>Department told us the truth at a San Francisco Aquarium Society meeting,
>last year. The measured half life of properly administered chloramine in a
>clean domestic water supply is five weeks! Aging is not any kind of
>alternative.
I would agree with that. I found that chloramine was still active after 3-4
weeks. However, it depends on what the water is stored in. I used 200 litre
drums and had 2 of them that were used alternatively. After a period of the
time the drums develop their own bacterial fauna that will help breakdown
the chloramine. However, I always used Chlormon before doing a water change.
Adrian.