Help, not sure what has happened to my corydora

[Barry Tetra]

Sorry for your lost , you did your best

 

[z09050]

Sorry for your lost , you did your best

Thank you

 

[Sarah73]

It was 35l, with perfect water parameters

You can't ever have perfect water parameters. If your cory lost its barbels, that means the sand or whatever you are using for substrate, is dirty, which causes the barbels to fall off/turn red.

 

[z09050]

You can't ever have perfect water parameters. If your cory lost its barbels, that means the sand or whatever you are using for substrate, is dirty, which causes the barbels to fall off/turn red.

It was like that when I bought it.