I got a tank around 3
gal after seeing my teacher (whom had around 5 tanks in the classroom) and put a goldfish in there.
Then i got a ten
gal and put tetras in there then another 10
gal (i no longer own this one) made it a shrimp and cory tank. I now have 1 10gal 1 3gal 2 25gal and 1 30
gal