We got all 3 at 1inch+, one is almost double that, and one hasn't grown (healthy, but picky eater) and the sick frog size is in between (he ate tonight ). The containers we are using are about the size you suggested, about 5x10inches. We have eco earth on stand by, and hope to move them into terrariums in a different room, once proper heat is established. Also, I didn't find the forum written by pollywog, but I found this one on methylene blue. Possibility of eye infection? - talk to the frog