🟫 Arachnidirt™ – Original Blend 

Our all-purpose tarantula and invertebrate substrate.
Arachnidirt™ Original Blend is crafted from soil, sand, peat moss, and sphagnum to create a stable, burrow-friendly foundation with reliable humidity balance. Safe, natural, and perfect for most species.

Best For:
Most terrestrial and fossorial tarantulas, spiderlings, and juveniles.

Bag Size: 0.75 gallon (3 quarts)

How Much You Need:
• Sling/medium enclosures: 1 bag
• Large Slider: 1–2 bags
• Large Cuboid: 2 bags
• 12" Cube: 2–3 bags

• arachnidirt

• original blend

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• invert substrate

• all purpose substrate

• burrowing substrate

• spiderling substrate

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• fossorial tarantula

• natural substrate

• premium substrate