How many discus can I start up with 30 gallon tank? How many with 70 gallon tank?
Reply:
1. You start with 15 fishes in 30 gal. tank.
2. Two months later you transfer 15 fishes to 70 gallon-tank.
3. Then you start 5 fishes in 30 gal. tank.
4. They will grow till adult fish.
