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

On Jan 26, 2007, at 12:35 PM, Liz Wilhite wrote:

> My tanks pearl like crazy after a water change, even when they  
> contain no
> plants.
"Pearling" after water changes, with no plants, is a horse of a  
different color.  I'm assuming  you are referring to the air bubbles  
that appear on the aquarium glass when a big water change is made.   
Those bubbles just appear and remain there until they break loose and  
disappear.  Real pearling will involve streams of bubbles coming from  
plants, or, if the glass "pearled" there would be streams of bubbles  
coming off the glass walls.

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