04-07-2011, 08:20 AM
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I was so happy when I saw this post! I am a 5th grade teacher and have a 55 gallon tank in the classroom with iridescent sharks. THE SAME EXACT thing happened to one of ours. Is this common for this type of fish? My question is if this worked for your friend. If so, how long did it take, and do you have any tips? I am kind of "dense" when it comes to this stuff as well. Thanks!