riko Posted July 25 Share Posted July 25 Hi. One of my guppies has developed a brown stripe down the side of its body including the dorsal fin. Assuming it was a potential bacterial infection and noticing that it wasn't moving as quickly as the others in the tank (all of which are still fine and show no signs of disease) I treated the tank with Melafix for 7 days. Although the particular fish started acting more normally there has been no change on the brown stripe. I wonder if others think this is bacterial and if so if I should continue treatment or not even through the fish it now acting normally? Any advice appreciated. I have attached a photo of the fish concerned. Thanks!! 1 Link to comment Share on other sites More sharing options...
Tony s Posted July 25 Share Posted July 25 On 7/25/2024 at 7:45 AM, riko said: I treated the tank with Melafix for 7 days. Yeah, that’s not going to do much for an active bacterial infection. There’s no real antibiotic in it. You’re going to need something like maracyn2 since it’s a planted tank. Kanaplex if it wasn’t. Amazon or a local fish store should have it. There is a high probability that this is columnaris. What they call saddleback disease. It’s also highly contagious. So a whole tank treatment is needed. 1 Link to comment Share on other sites More sharing options...
Tony s Posted July 25 Share Posted July 25 Let’s check and see if this is the right meds. @Colu 1 Link to comment Share on other sites More sharing options...
riko Posted July 25 Author Share Posted July 25 Thanks. Unfortunately I'm in the UK where you can't buy Maracyn but I found a recommendation for another equivalent product so will give it a try. It is waterlife myxazin 2 Link to comment Share on other sites More sharing options...
Colu Posted July 25 Share Posted July 25 (edited) The active ingredient acriflavine in waterlife myxazin will treat bacterial and fungal infections can be harmful to plants I would quarantine and treat if you can Edited July 25 by Colu Link to comment Share on other sites More sharing options...
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