I have my C urgent for a couple of months he’s been doing really good but I noticed that my water started getting really green and cloudy so I did a 75% water change waited a day and I did a 50% water change in this morning when I woke up my seat urging hasn’t moved and he lost all his spine’s pretty much he still alive but barely I have tried to give them some seaweed my ritteri is doing fine what should I do