Oyster shell

Crushed Oyster Shell: Essential Bioactive Mineral

​Maintain a thriving ecosystem with our Crushed Oyster Shell. This professional-grade substrate amendment is the secret to success for long-term bioactive enclosures. By providing a slow-release source of calcium and essential minerals, it ensures your "Clean-Up Crew" stays healthy, productive, and structurally sound.

​Why It’s a Bioactive Essential:

​Superior Molting Support: Invertebrates like isopods, millipedes, and springtails need consistent calcium to successfully harden their new exoskeletons after a molt. Crushed shell provides a constant grazing source to prevent molting failures.

​Natural pH Buffer: As organic waste and leaf litter break down, substrate can become acidic. These crushed shells act as a natural buffer, neutralizing acids and keeping your soil chemistry balanced

​Texture & Aeration: When mixed into the soil, the grit helps prevent substrate compaction, allowing for better oxygen flow to the roots of your terrarium plants and more room for micro-fauna to burrow.

​"Clean-Up Crew" Breeding: Many keepers find that isopod colonies, particularly Armadillidium species, see a significant boost in breeding rates when mineral grit is readily available.

​Product Details

Usage Tip:

​For best results, mix 1–2 tablespoons per gallon of substrate during initial setup. For established enclosures, simply "top-dress" by sprinkling a light layer under your leaf litter or near your hydration station where isopods naturally congregate.

This product is sold in 25g bags