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Re: Aquatic Plants Digest V2 #584

From Dave Gomberg: 
>>The nice thing is if 
>>you bubble too much CO2 it just leaks out from under the 
>>container/reactor so you don't have to worry about getting too much  CO2.
>WRONG!  I lost a beautiful community tank full of fish to this assumption. 
>The excess CO2 accumulated between the water surface and the cover glass
>until all the O2 had been displaced and the fish asphixiated.  You DO have
>to worry about too much CO2.  Unless like George you do not use a cover
>glass (am I right there George?).

All you need is a small gap in the cover glass to fix that.  Is there any 
reason other than water evaporation to have a cover?  If not, you don't have
to seal it to contain the majority of the evaporation.

Carlos Munoz  
cmunoz at crystal_cirrus.com