PineSong Posted November 2, 2021 Share Posted November 2, 2021 I'm QT'ing some new guppies in a 10g and two days in (so two total doses of Maracyn in the tank) the water is super cloudy, to the point where I can barely see the fish, and I lost one guppy today. It's nerve-wracking to leave fish in water that looks so cruddy and I'm itching to do a water change but the instructions say not to until after 5 doses. I just tested again and no ammonia, nitrites or nitrates. Since I am putting in a new dose in the AM, will it really be harmful to do a water change now? Link to comment Share on other sites More sharing options...
Mmiller2001 Posted November 2, 2021 Share Posted November 2, 2021 It's probably a bacterial bloom from the die off that the antibiotic is causing. I would check ammonia twice a day to make sure you are not having a mini cycle. In the future, I would advise dosing antibiotics orally to avoid this problem, and it's more effective orally as well. Link to comment Share on other sites More sharing options...
PineSong Posted November 2, 2021 Author Share Posted November 2, 2021 On 11/2/2021 at 2:00 AM, Mmiller2001 said: It's probably a bacterial bloom from the die off that the antibiotic is causing. I would check ammonia twice a day to make sure you are not having a mini cycle. In the future, I would advise dosing antibiotics orally to avoid this problem, and it's more effective orally as well. That's what I thought, too. I have checked compulsively and even tested the strips in a glass of water with some ammonia added because I did not believe the test strip. I compromised and changed 1/3 before adding today's dose. I haven't tried the methods for preparing meds in gel food because I haven't done it before (I'm chicken) and with these store-bought guppies, they often have very poor appetites for a few days and I wasn't sure it would get into them. On the other hand, maybe the kind of food you put the meds into is more appealing to start with, so they actually would? Link to comment Share on other sites More sharing options...
Mmiller2001 Posted November 2, 2021 Share Posted November 2, 2021 I use Seachem Focus to bind the meds to foods and add Garlic Guard to enhance the flavor. Link to comment Share on other sites More sharing options...
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