Need help fast

[Remnar]

So i recently got a tiger oscar and a fire mouth meeki from meijers both were in same tank there aand were fine brot them home and put them tn new 50 gallonnn tank after a 48 hour cycle threw new filters with ph ballence and everything temp is around 75-80 but now both fish are just sitting on bottom breathing good and seem to mover around untill theey see somthing move outside the tank then they sit at bottom and act sick

 

[Remnar]

I also have piranhas that are in the same kind of water in the exact same conditions who are doing fine.

 

[Colin_T]

Hi and welcome to the forum

If the aquarium is new and has new filters, then it is probably water quality. Check the water quality for ammonia, nitrite, nitrate and pH. If there is any ammonia or nitrite readings, or a nitrate reading above 20ppm, do a 75% water change and gravel clean the substrate every day until the readings are 0.
Make sure any new water is free of chlorine/ chloramine before it is added to the tank.

Make sure the pH is not extreme in either direction.
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Big cichlids are notorious for getting upset when moved and the fish could be stressing out. It takes time for fish to recover from being moved to a new tank. If the fish are in a quiet room and not many people go in there, that will make things worse.

If the fish are in a quiet room you can put a mobile in the room, (not above the tank) where the fish can see it. And have a small fan in the room. Tie some streamers (strips of plastic or material to the outside of the fan's cage. Have the fan on low and let it oscillate (move left to right and back again). The movement from the streamers and mobile can help the fish get use to movement in the room and they should calm down a bit more when you go in the room.

You can have a small television on in the room and the flashing light from the movies/ shows can help calm the fish too. You don't need a big tv or any sound.

Floating plants in the tank can help calm fish down and make them less nervous. Water Sprite (Ceratopteris thalictroides/ cornuta) is a good plant to try.

 

[Remnar]

Ok thank you should i just buy distilled water as funds arent the problem i just want them to be healthy and they are in the living eoom with fan tv 4 ppl cat and dog ( cat cant get to them at all) iv cleaned the water and rocks and everysingle thing i can think of changed water. I dont have a ph tester or ammonia what is a good one to get i asked for one at meijers but they didnt carry them

 

[Byron]

In addition to what Colin posted...

what exactly do you mean by "pH ballance?" Are you adding a pH adjustment chemical?

Second, this tank will barely house just the Oscar, so you are going to have real problems before long, if the fish survive.

 

[Colin_T]

Don't use distilled water unless there is something toxic in your tap water. It's just not necessary.