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RE: De again
Square Foot Gardening List - http://www.flinet.com/~gallus/sqft.html
At 11:23 PM 2/23/99 -0500, Bill DeWitt wrote:
>Square Foot Gardening List - http://www.flinet.com/~gallus/sqft.html
>
>
>> I have always been told to stay away from the pool and aquarium
>> version. I
>> think it's chlorinated? chleated, one of those ch words
>
> CH-eaper
>
>Actually I heard once that it was over processed and therefore not as sharp,
>but that was from someone who was selling the $9.95/lb version.
>
>Looking at the actual size of a diatom, I find it hard to imagine anyone
>going to the trouble of making a mill that would grind it any finer. Plus,
>one would think that additional processing would -add- to the cost, not
>subtract from it...
>
It's been heat-treated for pool use, and doesn't have the sharp projections
that are useful in insect control. Margaret
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