Sub Stratum Bioactive Volcanic Substrate

A volcanic-based substrate from Exo Terra made for bioactive terrariums, giving beneficial microfauna and live plants a stable foundation to thrive.

• Volcanic mineral base that holds moisture while still draining
• Designed for bioactive and planted terrarium setups
• Works well as a lower layer beneath a topsoil mix
• Available in 2 kg and 4 kg sizes

Available at our Picayune store for pickup, local delivery or shipping.