Worm Castings

Worm Castings are a nutrient-dense, mineral-rich substrate enhancer that supports a healthy, thriving crabitat. These natural castings come from digested soil that worms leave behind, providing a powerful source of calcium, magnesium, and beneficial microbes. Worm castings help enrich substrate, promote natural digging behavior, and supply trace nutrients your hermit crabs instinctively seek out. ⸻ Available Sizes: Medium – 3” x 3” Ziplock • Holds approximately ⅓ cup or 2 oz Large – 3” x 4” Ziplock • Holds approximately ½ cup or 3 oz Extra Large – 3” x 5” Ziplock • Holds approximately ⅔ cup or 4 oz ⸻ Usage Instructions: Recommend keeping Worm Castings both mixed into the substrate and available in a small dish at all times, allowing hermit crabs to naturally access the minerals and beneficial microbes they need. ⸻ Key Benefits: • One Ingredient: Pure Worm Castings • Rich in calcium, magnesium, and beneficial microbes • Enhances substrate quality and supports natural burrowing behavior