Hi, I went out to Petco today with the intent of starting a freshwater aquarium. I spent quite some time talking to a lady who really seemed to know her stuff, and she helped us get a 15 gallon tank with a heater, filter, lid, etc. We made sure to get 1 lbs of gravel per gallon, and we're currently heating the tank in preparation for the fish.
The lady I spoke with advised starting out with tetras because they are so hardy and look quite nice, but I am very interested in a betta sorority. I have helped take care of a lone betta in a bowl (after some reading, I realize it probably needs a heater), which is going on a year and belongs to my sister.
Attached is a picture of our aquarium. Please leave advice, as I have done some reading, but the information is often conflicting. Should I get starter fish before bettas, or should I jump right in with the sorority? Will the tank be ready after the 24 hour waiting period?
Thanks, and sorry for any ignorance on my part. That's why I'm here. Remember, it's a 15 gallon tank.