Treat the entire tank. What else is in the tank? I will say time is of the essance here if you want to save this fish.
, 1 Heros SP Super Red Severum(S/A), 1 Gold Severum(S/A), 1 Placidochromis Phenochilus (Africa)(Star Sapphire), 1 Vieja Synspilum (S/A)(Fire Head), 1 Hypselecara Temporalis(S/A) (Purple Chocolate),1 Microglanis Cf. Iheringi(S/A) (Bumble Bee Cat), 1 Jack Dempsey(C/A). In a 125 gallon. I am rushing to the store now to get the meds and I am going to try and set up tank , I have it all ready to go I will let you know the out come thanks