With the first tank we started it with the tetras because the guy at the fish store said they were hardy and would help cycle our tank. we waited 3 weeks before getting other fish. You are right about the shops giving false info! I only bought the knife fish because the lady told me they only...
I am a pretty new fish owner. We started out with a 35 gallon tank with gravel which we had for over a month. A couple days ago we decided to upgrade to a larger tank and a sand bottom. A new and larger bubbler was added, but we have yet to buy a larger filter. When my husband bought the...