| 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. |
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