well I'll get some fin ich medication BUT theres carbon in my filter! what do I do? And none of my other fish have fin ich. The community tank has 4 pink convict cichlids,1 mollie,4 neon tetras,3 glolight tetras, 2 serpae tetras, 2 chinese algae eaters, 1 zebra danio, 2 scissortail rasbosas, and...