I need some help and advice please.
My new tank has been running fine now for around 3-4 months
I purchased a clown tang around 2 week ago he didnt get on with my
powder blue to start with but things soon carmed down.
Problem !!!!!!!!
3 days ago powder blue started with white spot.
I have been running uv for 2 months now ( new bulb fitted from start )
Can anybody give me some advice how to stop to white stop.
My tank is a 5,2,2 with sump.
Tank is a reef tank which contains acros, and lots of other hard corals ( now softys )
Please help as i have never had this problem before and donot now what to do for the best ????
Thanks ian.

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