Beermann
- #1
I don't want my first batch of fish to die. What do I need to do for 3 rum nose tetra and 3 Cardinal tetras. It cant be as easy as letting water sit for a week and bringing in new fish? I read some stuff about nitrogen cycle and bacteria. How do I get all this going.
I'm using a 20g tank, topfin bubble wall.
I'm using a 20g tank, topfin bubble wall.