Gro sure vermiculite
Gro-Sure vermiculite is a naturally occurring non-toxic mineral heated to high temperatures to produce lightweight highly absorbent flakes.Retaining both water and nutrients,...
2 × 10 litres
£21.78
£10.89 each
sold out
10 litres
£10.99
sold out
1
The texture is fine so I use less than normal, to aerate compost for slow-growing seedlings from small seeds, say 30% of the mix instead of 50%.
