- Specialised abrasive granules
- Granules provide an effective barrier against fungus gnats
- Apply granules to a depth of around 3cm on the surface of your potting mix
- Granules help reduce water loss from the surface of your potting mix
- Retains moisture for your plant to access when needed
- Natural, non-toxic
- Yates Gnat Barrier is made from natural abrasive pumice granules which provide an effective physical barrier against fungus gnats.