- Professional grade perlite.
- Ideal growing potting medium.
- Mix with soils for greater water and nutrient retention.
- Improves aeration of roots.
- For general home garden or professional use.
Professional horticultural grade perlite. Ideal for using with growing media. Professional horticultural grade perlite. Ideal for using with growing media. Perlite’s honeycomb internal cells help to improve aeration and insulate compost, reducing large temperature fluctuations. This expanded volcanic rock is an excellent additive for composts to improve aeration and drainage. Inorganic and sterile Free from pests, diseases and weeds Helps reduce compaction and ‘slumping’ of growing media Improves compost aeration makes growing media easier to manage because of improved wetting and capillary movement of water.