Cotswold grit 20.
0.8mm - 1.2mm (minimum coverage 320cm²)
Ahere to the surface using PVA adhesive, taking care not to get any adhesive on the top surface of the stones.
Leave to dry thoroughly before removing excess.
Use with texture mats for low-growing plant effect and scenic water.
This is a Richard Stacey product is made from real stone.