u/Careless_Wrap_1090

I have a 120L 30×14×18 tank with dophin c1000 and is high tech.Currently i have 50+ shrimps in it and 2 otoniclus catfish.I am planning to add cardinal tetras into it how many tetras can i add in it without getting the ammonia to spike frequently.thanks

I have a 30×14×18 inch tank, want carpet plants at 16 inch substrate level and really appreciate if you can suggest some high par lights for my tank under 10k.