Bulk Mixed Case 18qt FREE SHIPPING

The Bio Dude’s Custom Mixed Bulk Case – Pick Any Two (18qt Bags)

Need to cover tons of ground or get your drainage dialed in? The Dude’s gotcha covered—your way.

Introducing The Bio Dude’s Custom Mixed Bulk Case, a flexible bulk option tailored to your enclosure needs. Choose any two 18qt bags from our most popular substrates and drainage layers, ideal for bioactive builds ranging from humid rainforest habitats to arid invertebrate enclosures.

Your Choice of Any Two (18qt Bags):

• Terra Flora – A rainforest-ready bioactive substrate crafted for Dart Frogs, Tree Frogs, Salamanders, and other high-humidity species. Promotes clean-up crew success, root health, and sustainable microhabitats.

• Terra Aranea – The go-to invertebrate substrate for Tarantulas, Scorpions, Spiders, and Vinegaroons. Holds burrows, resists mold, and supports a stable microfauna population. No drainage layer required.

• HydroGrow – A flat-topped, screen-optional drainage layer that helps prevent anaerobic conditions and promotes even moisture distribution in tropical builds.

• HydroGrow V2 – A structured, screen-required drainage layer for strong aquifer formation and enhanced air and water flow in humid enclosures.

Why Choose This Case?

• Customizable mix tailored to your animal’s habitat and climate needs

• Promotes natural behaviors, healthy plant growth, and thriving cleanup crews

• 100% natural and organic materials

• Ideal for bioactive vivariums of all sizes

• Great for hobbyists and pros building out multiple enclosures

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Note: HydroGrow products are not recommended for use with Terra Firma, Terra Sahara, or Terra Aranea substrates.