Otto died, what the heck?
I was gravel cleaning my 10g and say one of my two otto's floating behind the output of the filter. My water stats are: Ammonia:0 Nitrite:0 P.H:7.6 . Why could it have died? Both of my otto's were always fat like they were supposed to be, but I've never seen them move so thats why I never missed him as I don't look for them as often.
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