Soilless Grow Media for High-Efficiency Systems

Buy Ponics Stone™

Ponics Stone™ is sourced from the world-renowned Hess Pumice deposit—recognized as the planet’s purest commercial deposit of white pumice—and sold online via the Pumice Store.

Horticultural Pumice Purity Disclaimer: Horticultural grade pumice is typically comprised of 98% pumice and 2% other igneous minerals, which are not able to be removed through our mining processes.

PACKAGE SIZES
20 lb. box  •  (will ship multiples of the 20 lb. box up to 100 lbs.)
120 to 900 lbs.  •  (please E-MAIL US for LTL freight estimate)
900 lbs.  •  (half pallet: 18 bags at 50 lbs. each)
1800 lbs.  •  (full pallet: 36 bags at 50 lbs. each or 1 palleted super sack)
3600 lbs.  •  (2 pallets: 72 bags at 50 lbs. each or 2 palleted super sacks)
5400 lbs.  •  (3 pallets: 108 bags at 50 lbs. each or 3 palleted super sacks)
Seeds sprouting in Ponics Stone™ Standard soilless grow media

» Seeded aquaponics grow bed using Ponics Stone™ (3/4 x 5/16").

SHIPPING NOTES:  1 | For weight-quantities over 20 lbs., savings are typically realized by ordering a full-sized production bag.  2 | For large orders (over 3 full-sized production bags), please contact us at fc@hesspumice.com for a freight rate.  3 | The shopping cart system occasionally glitches and throws up an “order can’t be shipped to your address/location” (or similar) error message. Not true. We ship almost anywhere. Contact us at fc@hesspumice.com.  4 | The shopping cart system is set up to auto-calculate domestic (U.S.) shipping—for those ordering from elsewhere, please email us at fc@hesspumice.com.  5 | Orders will take up to 3 business days to prepare and process before shipping.
MEDIA SIZES

Ponics Stone™ Standard  •  (3/4" - 5/16" size blend)

Ponics Stone™ Standard soilless grow media All-purpose soilless grow media for ponics media beds and other high-efficiency growing systems. Size blend provides good drainage and germination.

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Ponics Stone™ Premium  •  (5/16" stone size)

Ponics Stone™ Premium soilless grow media Our Ponics Stone™ Premium demonstrates increased germination rates when sown directly in top-dressed media beds and net pots. This is the ideal media for shallow micro green beds.

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Ponics Stone™ Pea Stone  •  (3/8" - 1/8" size blend)

Ponics Stone™ Pea Stone soilless grow media Used for micro-greens and similar leafy crops. Also for geophytes, succulents, cacti. Roughly the size-equivalent of coarse horticultural perlite, but includes some larger stones.

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Ponics Stone™ Granular  •  (1/16" - 1/32" stone size blend)

Granule-sized Ponics Stone™ soilless grow media Ponics Stone™ Granular Ideal for root cuttings and other propagation uses. Also for geophytes, succulents, cacti. Stable and grippy, but will not over-compact. Roughly the size-equivalent to a medium-grade horticultural perlite.

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