Re: [Killietalk] Wouldnt agree with...

[LeeH920226 at aol_com]

In a message dated 12/5/04 2:00:31 PM, killies at fishroom_net writes:

<< 
What if someone using carbon to filter chlorine were to dose the filter 
with sodium thiosulphate when some chlorine start to punch through? 
Would that have the effect of regenerating the chlorine removal 
capacity? I suppose it might release a lot of ammonia if it had captured 
chloramines and kill all your fish at once.
 >>

I suspect the adsorption sites are not selective and when they are used, they 
are used. I am sure that some portion of the adsorbed chlorine could be 
decomposed by thiosulfate. However, if you are going to add thiosulfate, just add 
thiosulfate to the water. However, for an automatic water change system that 
would require some sort of injection mechanism.  However, you can regenerate 
carbon by heating at 850 degrees F. Not in my kitchen.

Lee Harper
Media, PA USA

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