you those colorful little fish on top. they used to play at the bottom but now they only swim on top. idk why? they dont swim below even once. why? are they short of oxygen?
Posted by mongixz
3 Comments
lategame2020 on
It could be. You need to give more information for other people can help.
Bidhitter400 on
Possibly lacking oxygen get some strong surface agitation asap
3 Comments
It could be. You need to give more information for other people can help.
Possibly lacking oxygen get some strong surface agitation asap
Try water change 20-30% see if that helps