Zoo Med Hydroballs Lightweight Expanded Clay Terrarium Substrate 2.5 lb. 50 filter case alkalinity: 0

alkalinity: 0

and  FX6 High Performance Filters

Vitamin E (α-Tocopherol Acetate) 54 IU/lb

Works best with aquarium population sizes between dense 130 gal to sparse 250 gal

Zoo Med Hydroballs Lightweight Expanded Clay Terrarium Substrate 2.5 lb. 50 filter case alkalinity: 0HydroBalls Expanded Clay Terrarium Substrate can be used as a base layer underneath substrates to create an underground water table in your pets Terrarium. Add water to create a natural aquifer and increase humidity levels for all tropical species. Excellent substrate for live plant root growth in Naturalistic Terrariums. Use for filtration for a waterfall.