CR Minerals produces several grades of pumice useful for a wide variety of horticulture, turf, and sports turf applications. Most of these applications benefit from the lightweight and porous nature of pumice.
  • Media for transplanting
  • Reduces dependence on peat
  • Promotes strong root growth
  • Moisture and nutrient retention
  • Horticulture Research International tested
  • Seed coating
  • Insulates from temperature change
  • Prevents surface crusting
  • Reduces nutrient washout
  • Vermiculite free
  • Water retention without flooding
  • Alpine and cacti cultivation
  • Orchid cultivation
  • Simulates natural habitat
  • Prevents water logging
  • Inert, stable and long lasting
  • Integrity compated to perlite
  • Effective barrier to slugs
  • Ideal root development medium
  • Greenhouse staging cover/plunging
  • Crocking
  • Compost admixtures
  • Organic soil conditioner
  • Roof gardens substrate
  • Potting and nursery container mixes


CR Minerals has several products for this application.

Semi bulk/Bag

# 3

# 4

# 6

# 8



0.2 to 0.6 mm (30 to 80 Mesh)

0.4 to 1.4 mm (14 to 40 Mesh)

1.4 to 2.2 mm (9 to 14 Mesh)

2.0 to 3.4 mm (6 to 10 Mesh)

CR Minerals’ “Mine Pumice” Bulk Truck

3/8" by 1/4"

5/16" by 1/8"

3/8" by 0

1/4" by 0


Additional Information at www.CRMinerals.com

To place an order or obtain additional information, please contact CR Minerals at
505-428-2940, or contact your local distributor.

CR Minerals is a worldwide supplier of pumice products to many diverse markets. It operates a state of the art processing facility in Ohkay Owingeh, New Mexico.

Although the information and suggestions in this publication are believed to be correct, CR Minerals makes no representations or warranties as to the accuracy or completeness of this information.