My tank is about 3-4 months old.
One of my clownfish recently have many white spots and pass away the next morning.
I have since remove my other clownfish out to a quarantine tank. He seem ok so far.
My display tank have LPS corals, hermit crabs, snail & abalone.
Do I really have to leave it fishless for 6 weeks?
And my other clownfish in the QT. Do I have to treat it even it doing fine.?
Many thanks
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