Re: Re: bleach

Thanx for the input.  My data was from a study done about 20 years ago 
and, as you said earlier, they have changed the formulation of their 
liquid bleach.

Jelcy

On Aug 23, 2004, at 3:27 PM, John I Jones wrote:

> Well, actually according to Clorox Corp, properly stored clorox has a
> shelf life of 1 year and will loose about 20% of its effectiveness per
> year. They say it really has little to do with the amount of oxygen
> that gets into the bottle and that sunlight and heat have much more of
> an effect.
>
> I am always generous with my measurements when dosing rhizomes anyway.
>
> Yes a powdered bleach does maintain it strength better (once again
> depending on the storage conditions)
>
> John



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