Reptile & Amphibian Forums

I just set up a new tank almost two weeks ago. I'm still a beginner with aquariums but I am learning a lot. It seems that most of the fish (6) glofish and (4) male guppies all want to stay near the top. I have read that it made be because there are high ammonia and nitrate levels in the tank. I have not yet bought a testing kit but I wanted to make sure that this may be the problem and if so how do I go about fixing the problem.

Anyones help would be greatly appreciated.

Thanks!

That's possible, but if they are gasping at the surface it's because there's not enough oxygen in the tank. Adding an airstone can help. I imagine your ammonia is also quite high because your tank is still cycling, and you added 10 fish, which is a big load on your non-existent nitrifying bacteria. How big is your tank? Your tank could be overloaded which would also lead to low oxygen in the tank considering water is low in oxygen (compared to air) anyways. Check your water parameters as soon as possible... that way you know where you stand in the cycling process.
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