TifNee837 Posted January 25, 2021 Share Posted January 25, 2021 To state for the record, this is about a platy (or possibly swordtail) that actually belongs to one of my good friends, and who, although has many many more years than I do of experience in fishkeeping, has been like the luckiest hobbyist I know, for the fact that she has really not ever had to deal with any sort of illnesses in her tanks! Tank size- 30g Cycled approx 5 weeks (used filter media, plants and substrate from long established 55g tank) Temp- 75-77°F pH- 8 Ammonia- 0 Nitrite- 0 Nitrate- 20-40 Also using crushed coral as kh/buffer And there are only 2 other fish (both are swordtails) in the tank with the one I'm posting about (so 3 fish total) I have on hand (and am giving her) Maracyn 2 for the medication aspect of treatment - however, of the 3 levels of aquarium salt treatment, I am unsure as to which to recommend?? The platys/swordtails tail, over the course of 2 weeks, is now gone. Dorsal fin seems to be now also deteriorating, from what I could see in the video she sent me. Pics aren't the greatest - apologies - the last 3 are screenshots taken from the video. Thanks in advance! Link to comment Share on other sites More sharing options...
Colu Posted January 25, 2021 Share Posted January 25, 2021 (edited) Looking at the severity of the fin rot I would use 1 table spoon of aquarium salt for 2gallons Edited January 25, 2021 by Colu 1 Link to comment Share on other sites More sharing options...
Mr_Manifesto Posted January 25, 2021 Share Posted January 25, 2021 also, I believe Maracyn 2, can effect the beneficial bacteria in the tank, so keep an eye on ammonia/nitrites and change water accordingly. Link to comment Share on other sites More sharing options...
Mr_Manifesto Posted January 25, 2021 Share Posted January 25, 2021 According to some googling, Fin Rot is can be caused by low temps, poor water quality, overfeeding, and/or feeding poor quality foods. Overstocking can be an issues too. The parameters you posted all seem great, but I would definitely change some water on a regular, removing any waste in the process, while treating with salt and meds. keep the feeding low and maybe check the quality of your foods. Link to comment Share on other sites More sharing options...
quikv6 Posted January 25, 2021 Share Posted January 25, 2021 (edited) I believe Maracyn (not Maracyn 2) may be a more appropriate treatment for the fin rot....in addition to the salt. Edited January 25, 2021 by quikv6 Link to comment Share on other sites More sharing options...
Colu Posted January 25, 2021 Share Posted January 25, 2021 Maracyn 2 is a more broad spectrum antibiotic Link to comment Share on other sites More sharing options...
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