Pumice Stone

Volcanic Rock
Volcanic Rock

What has the name pumice conjure up in your memory? Perhaps it takes you back to those geography lessons back in high school or sounds Greek if you never did geography? Well, all that does not really matter since we will make things easier for you.

Pumice simply refers to a volcanic rock that came into existence when lava rich withwater and gas is thrown out of a volcano. These rocks contain small gas bubbles.

Pumice stone is unique and is widely useful thanks to its natural properties. It looks light in color, contains low iron and magnesium. It is however rich in silica. In terms of weight, it is extremely light and floats on water and will sink as its pores become filled with water.

Pumice Stone in Horticulture

Horticultural Pumice is added to garden and growing media due to its natural properties. It helps boosts the soil quality. It helps boosts the soil aeration resulting in proper supply of oxygen to plant roots and elimination of carbon dioxide resulting from plant root respiration.

Pumice enhances soil drainage. It helps hold the required levels of water within the plant roots and yet drain unwanted amounts so as to prevent the roots from be saturated with water. Asides this, it helps prevent extreme volatilization or loss of nutrients.  It is beneficial in improving the soil structure.

Application on cacti and other Succulents

Cacti and other succulents are a common sight almost anywhere you go in the city. These plants are a favorite of outdoor décor enthusiasts. They however require good drainage and excellent nutrient levels to thrive. A perfect soil mix is therefore required so as to meet these conditions.

Horticultural Pumice helps guarantee a perfect balance which helps these plants grow and thrive even in areas where the ideal conditions are lacking. Remember plants will only thrive where their ideal conditions are put in place. Pumice helps attain that irrespective of the region you may be located, climate, or prevailing conditions.

Pumice application on cacti and other Succulents
Pumice application on cacti and other Succulents

Applications for Bonsai Soils

Bonsai enthusiasts have been using pumice as a soil component for ages. That can explain why you can easily get plenty of bonsai soil recipes. What that means is that no single media works perfectly for all trees during various stages of their development.

Soil components have to be selected and properly blended so as to provide the right mix for each individual tree. The required drainage, aeration, and water retention capability differ for most trees and hence the need to study and come up with what works for each plant. One of the ways to know if the ideal conditions have been provided for most plants is when it can take up water every 24 to 36 hours.

Pumice Stone from Lombok

In East of Bali, West of Sumbawa, Indonesia is Lombok an Island. It is regarded as a top source of pumice globally. As a matter of fact, over the recent past, it was regarded as the main pumice exporter. Top suppliers of premium quality pumice source their stone from Lombok.

Pumice Stone Wholesale and Retail in Thailand

Agri Thai Company is a supplier of premium quality Lombok pumice stone in different sizes for horticultural application.

We can provide high-quality pumice stone in any volume at a reasonable price.


Lombok Pumice Stone
Lombok Pumice Stone From Indonesia
Pumice Stone Chemical Analysis

Chemical Analysis of pumice stone

  • Silicon Dioxide: 76.2%
  • Aluminum Oxide: 13.5%
  • Ferric Oxide: 1.1%
  • Ferrous Oxide: 0.1%
  • Sodium Oxide: 1.6%
  • Potassium Oxide: 1.8%
  • Calcium Oxide: 0.8%
  • Titanium Oxide: 0.2%
  • Magnesium Oxide: 0.05%
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