Pumice is a light siliceous vesicular volcanic rock that is suitable for use in horticulture and hydroponics. Its porosity provides air spaces that maintain aerobic conditions around the roots while water is contained within the pores. Surface tension around the outside of the pumice particles increases water-holding capacity of the growing medium. Pumice is a popular growing medium for Cacti, Succulents, Bonsai, Orchids and many other plants.

Our Pumice is characterised by its relative hardness and lightweight in comparison to competing aggregates. The washing and screening of our pumice particularly for horticultural applications means that no ‘fine’ particles are included. Unwashed pumice can cause ‘concreting’ and higher water holding capacity than required, consequently affecting root development.

This hardness and porosity allows free drainage lowering the risk of root-rot diseases.

Pumice Organic Hydroponics Horticulture Propagation Seed Raising Potting

From AU$24.95

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Pumice Organic Hydroponics Horticulture Propagation Seed Raising Potting

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