|Sinclair Perlite Standard
Particle size: 1.0 - 5.0 mm
Total water-holding capacity: 275 ml/litre
Use at up to 40% by volume.
For optimum aeration, drainage and moisture retention in most growing media.
Can be used to replace sand or grit in potting composts and container composts.
Will give a well-drained environment in large containers, promoting healthy root growth.