Zoo Med Hydroballs Clay Substrate CatFCCategory_Dry Food KONG Sport Balls are better

KONG Sport Balls are better than a tennis ball

With targeted nutrients

One Size: 3

Size XL is a solid 3/8 thick sheet of acrylic

Provides necessary UVB rays for optimal calcium metabolism

Zoo Med Hydroballs Clay Substrate CatFCCategory_Dry Food KONG Sport Balls are betterAdd a little water and natural feel to your terrarium with HydroBalls Expanded Clay Substrate from Zoo Med. These HydroBalls can be used underneath other substrates to create an underground water table. You can add water to create a natural aquifer and increase humidity levels. They also make an excellent substrate for live plant growth and drainage level for waterfall filtration. Made of expanded clay for a terrarium substrate Helps keep humidity