Got new clown fish 2 days a going the swim back and forth and one saw swimming near surface her top fin touches the surface and I put little activated carbon in filter and some got into the tank could that hurt them it’s by Kent
Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.

I have no idea how to fix it; in the only experience I had with that type of problem it cleared up on its own.How do you fix it![]()
because I know in fresh water sometimes they die 

