Wow! Thank you all so much for your responses!
I called around to pet stores today & found one that carries BioSpira. They're ordering in 1 oz. of it for me & it will be in next week. So I should add the BioSpira & the fish at the same time? Also, I purchased some of the water purifier stuff at Wal-Mart that is supposed to help with the fish's slime coat, get rid of chlorine, etc. Do I need to add that
in addition to the BioSpira or JUST add the BioSpira?
I will be heading our local aquarium/fish store tomorrow to check out different types of danios. I've been reading up on them & they sound pretty good to me. It seems like most types grow to be right around 2" long. So then I could have about 4-5 in my tank...correct? Or would 6 be okay? Then I could get three different types of danios.....
You all have been so helpful! Thanks from me & my kiddos.

Brooke