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- Nov 11, 2019
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We purchased a 5” squirrelfish about a month ago that has been living in our 110gal tank with a 3” scorpion fish and 2” large humu trigger that we tank transferred from another tank of ours. This tank has been set up for about 2 months with live rock, sand turbo start and daily level checks and nothing for quite a while has been of the ordinary.
The only thing that changed is over the last week we struggled with the old T8 light (which was off for about 48hours) and switched to a new T5/LED combo. I haven’t seen any aggression from the Humu towards the squirrelfish and they are constantly together unless we feed. He eats 2 silversides a week and will at times steal the Humu’s mysis but is still swimming/eating/acting like normal with no flashing seen yet. So could it be ich from the light issue? Or should I fear something worse?
Any advice on treatment is welcome and appreciated since I’m only about a year into the hobby!

The only thing that changed is over the last week we struggled with the old T8 light (which was off for about 48hours) and switched to a new T5/LED combo. I haven’t seen any aggression from the Humu towards the squirrelfish and they are constantly together unless we feed. He eats 2 silversides a week and will at times steal the Humu’s mysis but is still swimming/eating/acting like normal with no flashing seen yet. So could it be ich from the light issue? Or should I fear something worse?
Any advice on treatment is welcome and appreciated since I’m only about a year into the hobby!





