Re: [APD] Where to get Calcium Carbonate?

["S. Hieber" <shieber at yahoo_com>]

A bit goofy, that description is. It sounds like it claims that allowing the CO2 to purge from inside the bag allows O2 to exchange. I don't think the level of CO2 and O2 are very closely related as dissovled gases. Adding or subtracting one has virtually no effect on the other.
 
But that's not denying that the pastic is O2 permeable.
 
sh
 
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----- Original Message ----
From: Jerry Baker <jerry at bakerweb_biz>
To: aquatic plants digest <aquatic-plants at actwin_com>
Sent: Sunday, June 11, 2006 11:19:45 AM
Subject: Re: [APD] Where to get Calcium Carbonate?


Stuart Halliday wrote:
> I just wanted some of this to add oxygen to bags when transporting fish.

I had never heard of it used in that manner. Kordon makes plastic bags 
that are able to exchange oxygen with the atmosphere ... 
http://www.novalek.com/kpd74.htm.
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