Quote Originally Posted by gusanr14 View Post
I guess humidity isn’t a issue but was just wondering. But heat wise, any big difference in news paper or paper towel? Like does one of them have better heat transfer kind of stuff?
No they both are equal when it comes to heat. They are less insulating than plant substrates and better insulating than nothing at all.

You use paper towels or newspaper for two reasons... temporary quarantine to provide a sanitized environment and/or ease of cleaning when needing to change out the entire substrate frequently. Outside of that there is really no benefit to paper products.