Royal Soil Bioactive Blend

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Not sure how much soil you need? Check out this handy calculator!

6 quarts (4-6 lbs) of soil in a 10” x 14” x 5” per resealable bag.

Royal Soil is our flagship premium bioactive substrate blend explicitly designed for high-moisture environments and species that rely on decomposing organic matter. This carefully balanced mix supports animal health and plant vitality within a thriving micro-ecosystem.

Royal Soil is an Ideal substrate for:

  • Millipedes and other detritivores

  • Moisture-loving reptiles of all kinds

  • Arachnids and other invertebrates

Crafted with a blend of peat moss, sandy loam, mushroom and redwood composts, maple and cherry wood pulp, magnolia leaves, and dried oak wood, Royal Soil offers a continuous source of rotting material essential for decomposition. To offset the high carbon content of the decaying wood and leaves, nutrient-rich worm castings are included to create a nitrogen-rich environment, enhancing soil fertility and promoting robust plant growth. This dynamic balance makes Royal Soil an ideal foundation for bioactive enclosures, supporting the clean-up crew and lush, thriving plant life.

Ingredients: Peat Moss, sandy loam, Mushroom Compost, Redwood Compost, Maple and cherry Wood Pulp, Worm Castings, Magnolia Leaves, dried Oak wood, Lacticaseibacillus casei, Rhizophagus intraradices, and a proprietary yeast blend (less than 0.01%)

Not sure how much soil you need? Check out this handy calculator!

6 quarts (4-6 lbs) of soil in a 10” x 14” x 5” per resealable bag.

Royal Soil is our flagship premium bioactive substrate blend explicitly designed for high-moisture environments and species that rely on decomposing organic matter. This carefully balanced mix supports animal health and plant vitality within a thriving micro-ecosystem.

Royal Soil is an Ideal substrate for:

  • Millipedes and other detritivores

  • Moisture-loving reptiles of all kinds

  • Arachnids and other invertebrates

Crafted with a blend of peat moss, sandy loam, mushroom and redwood composts, maple and cherry wood pulp, magnolia leaves, and dried oak wood, Royal Soil offers a continuous source of rotting material essential for decomposition. To offset the high carbon content of the decaying wood and leaves, nutrient-rich worm castings are included to create a nitrogen-rich environment, enhancing soil fertility and promoting robust plant growth. This dynamic balance makes Royal Soil an ideal foundation for bioactive enclosures, supporting the clean-up crew and lush, thriving plant life.

Ingredients: Peat Moss, sandy loam, Mushroom Compost, Redwood Compost, Maple and cherry Wood Pulp, Worm Castings, Magnolia Leaves, dried Oak wood, Lacticaseibacillus casei, Rhizophagus intraradices, and a proprietary yeast blend (less than 0.01%)

As Seen on Tarantula Collective

Getting Started with Bioactive?

Creating a bioactive enclosure is an excellent way to provide your reptile or arthropod with a naturalistic, self-sustaining habitat. By mimicking natural ecosystems, bioactive setups utilize living organisms to help manage waste, support plant growth and maintain overall enclosure health. For beginners, setting up a successful bioactive enclosure starts with choosing the right substrate tailored to the species’ environmental needs.

For moisture-dependent species such as many tarantulas and invertebrates, a substrate like Royal Soil provides ideal moisture retention, structure, and microbial support through its rich blend of organic matter, composts, and wood pulp. This substrate excels in tropical and temperate bioactive enclosures where decomposition and a thriving cleanup crew are essential to maintaining a healthy environment.

Want to learn more? Check out our Bioactive for Beginners article.

What makes Royal Soil the best bioactive substrate for exotic pets?

When we created our bioactive substrate, we would often get asked a simple question that would ultimately have a much more complex answer: Why would I spend $17 a bag of your substrate over the same price for 25 quarts of the 'other guy" To which I would respond back: You don't buy a lamborgini and put walmart tires on it, and you wouldn't put A1 steak sauce on Waygu steak, so why are you putting cheap crap substrate in with your precious new baby you spent a fortune on? But don't just listen to me, go check out our reviews as well!