LECA - Light Expanded Clay Aggregate Growing Medium - Leca Vitalink granules Onion narrow and green with a

narrow and green with a light grey felt covering

The plant supplies sugars for the bacteria

It is rich in iron and vitamin B5

or the roots can be left to grow like any other beetroot

LECA - Light Expanded Clay Aggregate Growing Medium - Leca Vitalink granules Onion narrow and green with aLightweight expanded clay aggregate (LECA) or expanded clay (exclay) is a light weight aggregate made by heating clay to around 1,200 C (2,190 F) in a rotary kiln. The yielding gases expand the clay by thousands of small bubbles forming during heating producing a honeycomb structure. LECA has an approximately round or potato shape due to circular movement in the kiln. Granule Size 8 20mm Leca is the world leader in horticultural, agricultural &