Quote:
Originally Posted by reefcat
im just wondering why they all started breathing heavy when I introduced the powerheads, thats why i am hesitant to put them back in.
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It could be an unfortunate coincidence. The fish death may have happened even if you had not added the powerheads. If death by powerheads was a common thing there would be a lot more threads and discussions about it. I've searched and can't find anything (other than the thread you linked) about death by powerhead. Well, aside from the usual fish swimming into powerheads and getting chopped up.
Film on the surface of the water is definitely not a good thing though.