You could use a 1:10 bleach solution and just jeep rinsing a few times till the smell is away then leave to dry naturally then wipe down with a damp cloth to remove any possible residue off it. It'll be a few days before the frog can go in but better safe than sorry


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2.0 Border Collies - Jinky and Chance
3.0 Cats - Monty, Dodger and Crunchie
1.1 Royal Pythons Orlina and Sedrick
0.1 BCI Boa - Aasia
1.0 Western Hognose - Hagrid
0.1 Bearded Dragon - iiara