Re: Wading Pool Solution/charcoal type


Dear all,
        I don't know if briquettes would work the same way as activated 
charcoal, I suspect they wouldn't. I did a bit of work here comparing 
activated carbon (charcoal) with normal (unactivated) and they adsorb things 
the same way. 
A simple way to test whether the briquettes have any activity and therefore 
will be of benefit is to add some crushed briquette to a glass of water with 
a little food colouring added. Activated charcoal will remove almost all the 
colour in a few minutes. If you find the briquette dust doesn't then it 
probably wont be of benefit in the pool (unless it somehow becomes activated).

Activated charcoal actually has a different molecular stucture to normal 
charcoal, the carbon atoms are arranged with gaps between them where stray 
molecules can get stuck. The activated charcoal may possiblely adsorb some 
wanted nutrients as well as toxins! 
I hope this is helpful,

bye for now


Simone Clark
Canberra Australia
simoner@ento.csiro.au


>SCHAFFCM@SNYBUFAA.CS.SNYBUF.EDU wrote:
>> 
>> Sharon -- is activated charcoal the same as lump charcoal?  Does one have
>> to go to a nursery or fish store to buy enough for the bottom of a barrel
>> or pool??
>
>carolyn - you don't need a lot - maybe a cup or 2 for the barrel...
>
>BTW - I am using Charcoal Briquettes in the "experiment" at a neighbors 
>house.  I should have mentioned to crush them up first - sorry.  Both 
>types will work, but remember - if you use the "fire" kind, get the plain 
>ones without the starter added.  I use Kingsford brand.
>
>BTW - the "experiment" is growing Japanese in an old claw foot bathtub.
>Bloomed well this year.
>
>Dennis
>
>
>
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