Lightweight volcanic rock: Reduces soil compaction and improves plant anchorage
High porosity: Maintains aerobic root conditions and enhances water retention
Washed and screened: Removes fine particles for consistent, clean application
Low cation exchange rate: Preserves nutrient quality in growing media
Long lifespan: Minimizes risk of rot and breakdown, ideal for propagation and green roofs
Summarized by Shop
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 the water-holding capacity of the g
Volume
25 litres
Grade
1-2 mm (hardwood cuttings, slow rooters)
Weight
Approximately 21 kg (varies by moisture content)
Origin
Lake Taupo, North Island, New Zealand
pH
6.7 to 6.9
Summarized by Shop
5.0
6 ratings
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1
As always, fantastic product and service as well as very fast delivery