Choosing the right substrate for a bearded dragon is important for their health and safety. Here are some of the best and worst substrates for bearded dragons based on the search results:

Safe Substrates For Bearded Dragons:

• Solid substrates such as reptile carpet, paper towels, or ceramic tiles
• Loose, sand substrate that incorporates particles of different grain sizes

Unsuitable Substrates:

• Sand under any brand name
• Calcium sand, silica sand, and childrens play sand substrate
• Crushed walnut shells

It is important to avoid loose substrates that can cause impaction if ingested, and to change the substrate regularly to prevent bacteria buildup. Ultimately, the choice of substrate will depend on the owners preferences and the needs of their pet bearded dragon.