Fine Grade Black Tourmaline Powder

Ultra-fine natural schorl tourmaline. Dissolves in water for soil drenches, works in hydroponic systems, integrates into ceramic glazes, and contributes ionic minerals directly to the root zone. One product. A lot of uses.

$18.99

per pound — you choose the quantity

Buy 5 or more lbs — save 15% automatically

Quantity (lbs)

Product Specifications

GradeFine (<75 microns)

pH6.25 — Near Neutral

Soluble Salts0.06 mmhos/cm — Very Low

Iron (Fe)2.79 lbs/ton

Zinc (Zn)30.09 ppm

Manganese (Mn)71.97 ppm

Lab ReportIAS Laboratories #24C0299

Hazard ClassificationNot Classified

Best Used For

Soil Drench Orchids Hydroponics Ceramic Glazes Houseplants Supplement Blends Gardens

⚠ Stock Notice

Limited supply available — we batch in small runs to control quality.

Once this batch is gone, we’ll open a waitlist. Order now or grab a free sample to try it first.

Free Sample →

What This Powder Actually Does

Mechanism

Piezoelectric Charge → Negative Ions

Tourmaline is piezoelectric — it generates a weak electrical charge under pressure and temperature variation. That charge emits negative ions into surrounding water, which appear to improve water molecule clustering and root cell permeability.

Mineral Release

Trace Minerals Directly to the Root Zone

As fine grade powder dissolves in water and soil, it releases Iron (2.79 lbs/ton), Zinc (30.09 ppm), Manganese (71.97 ppm), Calcium, and Magnesium — all confirmed in our IAS lab report. These are directly plant-available nutrients.

Research

Published Studies on Root Development

Peer-reviewed studies on orchid root development and sweet potato yield have shown measurable improvements when tourmaline is used as a soil amendment or water treatment. Read the science →

Safety

Lab Tested, Hazard-Free

Classified as “Not Classified” for physical, health, and environmental hazards (AACQ SDS Revision 39). pH 6.25 — near neutral. Soluble salts 0.06 mmhos/cm — extremely low. Safe for food gardens at normal application rates.

Not Ready to Buy? Try It Free First.

We believe in this product enough to send you a free sample before you spend a dollar. Just tell us what you're growing or making and we'll drop it in the mail.

One sample per household or business. Please allow 10–14 business days for delivery. No sales pitch, no follow-up pressure.

"I ordered a free sample not expecting much. Three weeks later I ordered 5 lbs."

— Maria G., Home Gardener, Scottsdale AZ

Request a Free Sample

We’ll follow up by email within 1–2 business days. Please allow 10–14 business days for sample delivery.