I've been struggling with money for a couple months now, and it's time to change my 1 1/2 year ball pythons substrate. Or, actually, past time to change, by a lot. There's a park nearby that nobody really plays on, and is far away from any busy streets, would it be okay if I used mulch from there just this once, until I can get some money? (Also, I've never posted anything anywhere, but I've gotten a lot of answers on here and decided to make an account and ask, so please be patient with me :))