Gro sure perlite
Gro-sure perlite is made from natural volcanic rock heated to high temperatures to produce lightweight micro-porous granules.Mixing it into compost in place...
10 litres
£10.99
sold out
2 × 10 litres
£21.78
£10.89 each
sold out
1
Larger particles than vermiculite, so it holds extra air.