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Re: [APD] CO2, water changes gas phase Vol1

Liz has a good point, at least from the limiting variables perspective. Also
my husband, a homebrewer, chimes in that it is possible that the act of
refilling the tank could quite easily aerate the water - when transfering
beer from one vessel to another it has to be done in a specific way to avoid
getting oxygen dissolved in the water - the very thing Tom is seeing.


On 26/01/07, Liz Wilhite <satirica at gmail_com> wrote:
> To find out if the pearling is due to exposure to air, drain off the tank
> water, expose the plants to air, and add the same tank water back
> in.  That
> will at least suggest air exposure has something to do with, but will not
> confirm it, and certainly will not confirm that CO2 gas had anything to do
> with it.
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