theotheragentm
Fish Herder
I filled up a 10 gallon tank half way and put some sand in it for my tadpoles are they are becoming frogs. I put regular old tap water in. Then a feeder guppy gave birth that night. I put 10 babies in the small tank as I figuerd they would die anyway. Well, the tank wasnt cycled and the babies are still alive.
If your tank was cycled for the tadpoles that's probably all that was needed. For the first couple weeks at least, and I would venture to guess month as well, fry waste is so minimal that it gives the bacteria plenty of time to grow to keep up with it. The bacteria split approximately every 8 hours. Most of the time you'll be okay with the fry without cycling it, but providing some substrate from a cycled tank is always best.