Hey Jim;Don't add a powder blue - best way to beat ich
They are notorious for being susceptible. So are Achilles -
I'd settle for less fragile fish - especially in a 120 - I have a 150 and even had a 180 and never considered with a powder blue OR achilles.
Jesse, I forget, did you have a UV as well? may want to consider running that with 2 days of no lights.
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