IsisP Posted April 19 Share Posted April 19 (edited) Yesterday I tested my water and the pH was 7.6 High range ph 8 No ammonia No nitrite Nitrates 40 GH Around 200 ppm KH 107.4 ppm And today I made a water change, and all of a sudden one female Platy just entered in some kind of shock like an hour after and died like having a heart attack.,.... And everyone else is super fine even her offspring born some days ago.. it was a nitrate shock?? Levels after the water change are the same as before it, but nitrates are now 5 ppm. Edited April 20 by IsisP Link to comment Share on other sites More sharing options...
Tony s Posted April 20 Share Posted April 20 Na, that’s the whole point of a water change. Possibility of a temperature shock? ??? On the methylene blue Link to comment Share on other sites More sharing options...
IsisP Posted April 20 Author Share Posted April 20 On 4/19/2024 at 8:11 PM, Tony s said: Na, that’s the whole point of a water change. Possibility of a temperature shock? ??? On the methylene blue Sorry i didnt specify about the methylene blue. the filter was into a quarantine tank and I used methylene blue in there, I just washed the filter with hot tap water but I am not sure if I can put the filter in the main tank again. Link to comment Share on other sites More sharing options...
Tony s Posted April 20 Share Posted April 20 I would think it's fine, but no idea, really. if it's running clear you should be good. I've seen fish take baths in the stuff. but a trace over long term should be okay. just watch behavior and if it seems off then water change Link to comment Share on other sites More sharing options...
reefhugger Posted April 20 Share Posted April 20 On 4/19/2024 at 9:11 PM, Tony s said: Possibility of a temperature shock? This is a good question....how close were the water temperatures do you think? Link to comment Share on other sites More sharing options...
gardenman Posted April 20 Share Posted April 20 I would suspect it was just her time to die since none of the other fish in the tank were affected. Death happens in a tank. Often for no apparent reason. YouTuber Aquarium Domain found a dead discus in his tank on a recent video that had died for no apparent reason. It happens. 1 Link to comment Share on other sites More sharing options...
Whitecloud09 Posted April 20 Share Posted April 20 On 4/20/2024 at 8:27 AM, gardenman said: I would suspect it was just her time to die since none of the other fish in the tank were affected. Death happens in a tank. Often for no apparent reason. YouTuber Aquarium Domain found a dead discus in his tank on a recent video that had died for no apparent reason. It happens. Agreed, the fishes time can come at a odd time, but if no other fish died, I would say that it was just the fish, but if more die, I would start looking at the temp shock @Tony s mentioned. Link to comment Share on other sites More sharing options...
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