Fish dropping one by one, coral are fine.

[Sqeezle]

U said one of ur skimmers stopped working? Did u take it out? Id also check for stray voltage. If u haven't added fish in a long time and now see ich then something is stressing out ur fish

both of my skimmers are currently off. one doesnt quiet work, it pumps but idk if its just not pumping to the cup beacuse of the fish keeper and malfex (i got malafex from coral collection, who recommended it. but the dose is still in my system, i can smell it in my sump.. and it irrates my other skimmer and foams up the entire tank... also i have a grounding prob connected to outside so there shouldnt be any electral current

 

[lowbudget]

I agree with this guy. Sound like what wicked had a year to 2 ago. He added a fish and killed all his prize fish. Was it valvet or something.

since coral are much more sensitive to environmental changes than fish, the parameters (though far from ideal) are probably acceptable; the SPS are your canaries & they are still singing. so the cause is likely specific to fish.

the fish either died from something newly introduced to the tank or something already there. consider:

diseases: freeze a dead fish and do a necrospy under a microscope or post the pics here
bad husbandry: are you feeding enough / the right stuff
equipment
fish agression or predation

disease ranks high on my list for you. just remember often the cure is as harsh as the disease.

good luck

 

[Usingthejohn]

I agree with this guy. Sound like what wicked had a year to 2 ago. He added a fish and killed all his prize fish. Was it valvet or something.

When i picked up some wickedfeast from him, told me he had velvet that wiped out all his prized fish

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