Sterile Perlite - 10 litre bag
Horticultural Grade Perlite is a natural, pH neutral, sterile growing medium derived from volcanic rock and used by gardeners the world over. It can be used for propagation or mixed with soil or compost, keeping it loose and light, allowing air and water to reach roots aiding nutrient uptake and general plant health and growth. Great in potting mixes for container growing and when used in general soil enrichment, it can break up heavy clay soils or support growing areas of the garden where wet ground is a problem.
Be careful when using around Hydroponic systems as perlite has a tendency to block pumps and drainage holes.
Each Grain of perlite is between 1mm and 5mm - Perlite should he handled gently as it will crumble into dust under pressure.
Best handled when damp to reduce dust.
Often used in conjunction with Vermiculite, these handy 10 litre bags are sterile and ready to use.
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