I have white spot in my tank. Fish were put into a fully cycled tank just over a week ago. (fishless cycle completed) I have platies, dwarf gourami and leopard corys.
How do I take the carbon out of my Fluval u filter so I can add the treatment...?
I do not know which part is carbon?
Very worried.
How do I take the carbon out of my Fluval u filter so I can add the treatment...?
I do not know which part is carbon?
Very worried.

Good luck and keep us posted.