- Jan 29, 2019
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My LFS keeps their water a 1.021 to help with parasites. I bring it up to 1.025 over the period of 2 hours and they always do fine
1.020 to 1.025 in 90 min would be too fast.
Chromis actually have pretty high mortality rates regardless.
What type of clown is it? I doubt it is the clown in that size tank unless you have a adult mean maroon or something. Even then, you can usually see injuries on the fishes body.
Did you check the gills of the dead fish? Did you throw one in a cup of tap water to see if anything jumps off? Buy a cheap fish, float and drop it is. If you have a disease you'll know in a week. Other wise you have NO idea what your fighting and everyone here is speculating1Aquamaxx DC skimmer, MP40's break the surface, as does the return nozzles.
How long should .020 to .025 take? I think you're actually on to something here.
The clown is just your standard Percula, nothing fancy. It has been with me for going on something like 7 years. I've never seen aggression towards anything from it.