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Old 07-02-2007, 10:10 AM   #5 (permalink)
Aqua-holic
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Join Date: May 2007
Location: Kissimmee, Fl
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There could be several causes.. it's a pretty new tank and it sounds like diatom brown algae, some causes could be high phosphates, poor circulation,too long a light period, sunlight hitting the glass, old bulbs, not enough snails to keep it in check, temperature fluctuation these are just a few possibilites. as said above what are the paramaters ? what is the alkalinity?
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