I suspect that your water is highly acidic.  You may want to test it.  Acidic
water is not good for you.  You may want to neutralize it.  If this is the case
then CS will probably no longer aggregate once the ph is brought up toward 7.

Marshall

Carla Wainwright wrote:

> Hi,
>
> I am new to using CS, but I read about the benefits of adding CS to
> our/animal's drinking water. However, when I added some to my cat's water
> bowl, I noticed that after a few hours, the water developed a dark grey
> tinge and film. I imagine this is because the CS reacted with some metals
> in the water (we are on a well). I threw it out, since I didn't think it
> was safe. Does this mean that I can't add CS to our water? If this is the
> case, how do you use CS to purify water if you need to drink something that
> you are unsure of?
>
> thanks,
>
> Carla
>
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