Mineral Rock Dust Supplement

Boost your mushroom cultivation with our Mineral Rock Dust Supplement, a premium blend of finely ground minerals designed to enhance substrate nutrition and support healthy mycelium growth. Rich in essential trace elements like calcium, magnesium, and silica, this supplement improves soil structure, promotes enzyme activity, and strengthens mushroom cell walls for robust, high-yield harvests. Ideal for both beginners and experienced growers, our rock dust is 100% natural and easy to integrate into your growing medium.

Mineral Enrichment - Rich in essential trace elements like calcium, magnesium, and silica, along with many other trace elements.
This supplement improves soil structure, promotes enzyme activity, and strengthens mushroom cell walls for robust, high-yield harvests.

Incorporate between 2 -3% rock dust by dry weight into your mushroom substrate mix for best results. For example, add 20 grams of rock dust to 1 kilogram of dry substrate components.

Also can be used for gardens and potted plants at a rate of 50-100g per sqm.

250g – Great for hobbyists & small batches
500g – Ideal for regular growers
1KG – Cost-effective for ongoing projects
2KG – Best value for larger or frequent grows

• We ship from Tamborine Mountain, QLD using either AusPost or Aramex
• Fast dispatch within 1 business day (excluding Fridays) with express post options available