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.

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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

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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.

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Key Benefits:

• One Ingredient: Pure Worm Castings

• Rich in calcium, magnesium, and beneficial microbes

• Enhances substrate quality and supports natural burrowing behavior

• No chemicals, additives, or preservatives

• Hermit Grub ensures 100% traceable and verified ingredients, prepared and packaged in the USA

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Storage & Safety:

Store in a cool, dry place away from sunlight.

Best used within one year of purchase.

NOT FOR HUMAN CONSUMPTION.