im new so i have a guick question, im currently building a melamine corn snake enclosure im goin to plant some ferns and i gonna use cork bark for the terrarium, i just wanted to know if potting soil is harmful to my corn and if it is, is there any other substitute. im trying to design a really easthetic terrarium for my corn so he'll be pretty spoiled

, any feedback on good, safe subtrates for my corn will be appreciated.