yea, I believe that it was simply to crowded.
The new fish I put in died so I haven't put anymore in and the tank and it's doing fine so I'm just leaving it with the 3 fish that are in there now. Thanks for your help =]

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90 gallon mixed reef
20 gallon cichlid tank
14 gallon (saltwater) Biocube &
10 gallon nano reef tank!