| 2 Different Sizes | 1 Quart |
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Check the listing for details. Premium Isopod Substrate - Nutrient-Rich Bioactive Terrarium Mix. Condition: New. Listed at 8.50 USD. Suitable for up to one 6‑quart isopod enclosure. Every ingredient is selected to support a balanced, self‑sustaining bioactive system. Freezing preserves beneficial bacteria and microbial life far better than heat‑treating, ensuring your substrate arrives nutrient‑rich and ready to use.