Not at all, they enjoy it. Cornuta loves to burrow like all other horned frogs. With regular spot cleaning and a waterbowl (aka bathroom), EcoEarth can last for several months.
Make sure you provide them with plenty of cover so they feel safe and secure. The tanks I used here are two 12x12x12 Zoomed terrariums, with fake plants, cork bark, and sphagnum moss. To incorporate sphagnum moss (or other mosses) inside enclosures, you want to either tong-feed your frogs or have a separate feeding tank for them to hunt, in order to minimize the risk of moss ingestion.
LOVE your set up Namio
Save one animal and it doesn't change the world, but it surely changes the world for that one animal!