Perlite, vermiculite, clay pebbles and biochar: four soil boosters for mixing into compost, potting mixes and garden soil. Made in Britain, in pouches from 1 to 20 litres.

Follow the mixing guide on each pack. Clay pebbles have no fixed ratio, so add them as required.

Which one do I need?

Perlite – drainage and aeration, plus seeds and cuttings: 1L · 3L · 5L · 10L

Vermiculite – holds moisture; ideal for seed sowing and cuttings: 1L · 3L · 5L · 10L · 20L

Clay Pebbles – aeration, drainage and top dressing: 1L · 3L · 5L · 10L

Biochar – carbon-rich soil improver for structure and water retention: 1L · 2L · 3L · 5L · 10L