
Ag bulk products
Feeding chart & mixing calculatorOfficial rates per gallon — mix it right in seconds
Pumice Stone
- 100% organic certified · CDFA registered inputs
- Family-owned in Nevada City since 2006
- Made in California in small batches
Ships from Nevada CityOrders leave our store, carefully packed
Free local pickupNevada City, CA 95959 — usually ready in 24 hours
Product details
A natural alternative to perlite.
- 100% volcanic pumice stone
- Excellent aeration qualities
- Encourages microorganisms to colonize
- Will not float to the soil surface
- Can be used to improve soil structure
Available in: 1 cu. ft. bags / 2 yd. totes (call for price)
Ingredients
100% volcanic pumice stone
Application Rates
Mix in a 1:10 ratio to Potting Soil for optimal aeration.
Please store in a cool dry place, out of direct sunlight, and properly reseal after use.
Product Safety Data Sheet
How to use & feeding rates
Analysis & label
The complete guaranteed analysis is printed on the product label below. Want it as a sheet? Print the spec sheet →
Product label — tap to view or download:
Shipping & returns
Orders ship from our Nevada City store, with free local pickup available — usually ready in 24 hours. Unopened items can be returned — see our return policy. For freight or wholesale quantities, contact our commercial team.



