Hey so i got this gold spot pleco and have had him for about a month and a half i have brackish water which my fish love. I have mollies guppies sword tails and 2 silver sharks. couple weeks ago i noticed some white spot starting to form so i quickly treated it with wonder tonic. It did the trick nicely. My gold spot pleco's fins were starting to split before the white spot turned up and they have not got any better. In fact theyre worse. The wonder tonic was suppose to treat everything and none of my other fish have split fins. I dont know what to do or how to treat it. Does anyone have some good advice on what it may be? Google has been no help at all.