The Planted Tank Forum - View Single Post - biofilm problems
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post #21 of (permalink) Old 01-14-2013, 01:50 PM
Planted Tank Obsessed
Join Date: Dec 2012
Location: In an aquarium nearby
Posts: 447
How did you established gas exchange is difficult? You did received many answers on how to get rid of the surface film.
danielt is offline  
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