Chlorine disinfection

max at max at
Sat Sep 13 20:08:19 EST 1997

rayzzz at wrote:
> Hi--
> Can someone tell me: what is the proper ppm of chlorine to water (so I can
> make the right household bleach dilution, bleach being, of course, a 5%
> solution already) in order to kill amoeba? What is the dilution to achieve
> high level sterilization (kills spores)?
> I have heard that a certain dilution is best, and above that it is not as
> effective. Is this correct, or if not, what leeway do I have?
> Thanks very much. Please email me.
> Katherine
> Take the zzz out of my address to write to me.

I am not sure of what your use is but a 200ppm chlorine solution is best 
for sanitizing.

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