for those that use folded newspaper as a substrate, is it completely safe? i know i heard somewhere when researching it for my bird, they mostly use soy inks now, but is that safe for snakes?

i too would like to feed them in their tubs, but for now we've been using shredded aspen. i may switch to newspaper though, but maybe leave the aspen for my hatchling cornsnake, i think she likes it to hide in, her enclosure is rather big for her.

shredded aspen is pretty expensive where i live, $26.99 canadian for a 24 quart bag.