Pumice 4-7mm – Coarse Grade

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Coarse Grade Pumice is a lightweight, highly porous volcanic material designed to improve drainage, aeration, and root-zone structure in horticultural and landscaping applications. Its larger particle size helps reduce compaction and promotes rapid water movement while retaining moisture and nutrients within the growing medium. Coarse Grade Pumice is ideal for potting mixes, specialist growing media, hydroponic systems, and soil conditioning where longterm structural stability and enhanced root development are required.

Benefits

  • Enhances soil aeration and drainage

  • Improves root development and reduces soil compaction

  • Lightweight and long-lasting

  • Environmentally friendly, naturally occurring and chemically inert

  • Free from harmful pathogens and contaminants

Recommended Use

  • Potting Mix media component

  • Hydroponics and Succulent media component

  • Seedling and Cutting media component

  • Lightweight drainage option for landscape and garden projects

Compliance

  • Extracted, processed, washed, and screened from a natural resource

  • Wash water is additive-free and used in its natural state

  • Stored and handled exclusively on sealed surfaces at Intelligro to maintain quality and prevent contamination

Inputs

Media

  • Pumice

Product Specifications

  • pH 6.8-7.4

  • Electrical Conductivity 0.1-0.5 dS/m

  • Air Filled Porosity 30-50%

  • Water Holding Capacity 20-30%

  • Water Retention Efficiency 55-70%

  • Wettability 20-60 sec

  • Particle size 4-7mm

  • Bulk Density 900-1,000kg/m3

Technical Data Sheet Download

Coarse Grade Pumice is a lightweight, highly porous volcanic material designed to improve drainage, aeration, and root-zone structure in horticultural and landscaping applications. Its larger particle size helps reduce compaction and promotes rapid water movement while retaining moisture and nutrients within the growing medium. Coarse Grade Pumice is ideal for potting mixes, specialist growing media, hydroponic systems, and soil conditioning where longterm structural stability and enhanced root development are required.

Benefits

  • Enhances soil aeration and drainage

  • Improves root development and reduces soil compaction

  • Lightweight and long-lasting

  • Environmentally friendly, naturally occurring and chemically inert

  • Free from harmful pathogens and contaminants

Recommended Use

  • Potting Mix media component

  • Hydroponics and Succulent media component

  • Seedling and Cutting media component

  • Lightweight drainage option for landscape and garden projects

Compliance

  • Extracted, processed, washed, and screened from a natural resource

  • Wash water is additive-free and used in its natural state

  • Stored and handled exclusively on sealed surfaces at Intelligro to maintain quality and prevent contamination

Inputs

Media

  • Pumice

Product Specifications

  • pH 6.8-7.4

  • Electrical Conductivity 0.1-0.5 dS/m

  • Air Filled Porosity 30-50%

  • Water Holding Capacity 20-30%

  • Water Retention Efficiency 55-70%

  • Wettability 20-60 sec

  • Particle size 4-7mm

  • Bulk Density 900-1,000kg/m3

Technical Data Sheet Download