Yates Gnat Barrier - 4.5L

These granules are washed and screened to a specific size range chosen to ensure minimal dust and to provide optimum effectiveness as a physical gnat barrier. Apply granules to a depth of at least 3cm on top of the potting mix.
Made from natural granules - a light porous mineral from New Zealand volcano’s.
Granules help reduce water loss from the surface of the potting mix.
Helps to retain moisture for your plant to access when needed.