Hi Sharon, I to live close to Dallas. I’m a 70 year old retired grandma. This is such a great hobby that helps us keep on the move. My parameters are much like yours it sounds like. Congratulations on your corys. They are one of my favorites for sure. Right now I’m struggling with a bully melon barb he is a bully and I’m struggling to catch him I want him out! He is chasing all of my panda cats all over the place. I was Leary of getting a group of them in the first place but a very reputable dealer assured me that they were good community fish. Good luck with the forum glad Cory started this for all of us fish lovers.