HELP WITH FIN ROT PLEASE

  • We are currently upgrading MFK. thanks! -neo
Parameters are good tank is cycled and i put in Ali stress coat with the water change and api ammo just to be same

It sounds like you know the cause for why the fish are dying off. To be safe, what are your parameters.
 
Yes, please post your water parameters. Bad water quality can weaken a fish's immune system and make it susceptible to diseases such as a fungal infection, such as fin rot. Also, what does your filtration system consist of?
 
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