- For use on all types of stone.
- Dilute 3:1 (Water / Preventer).
- Apply with a 5 or 7 Litre pump up sprayer.
- Kills black lichen spores before they can germinate.
- Algae disappears within 3-5 days.
- Removes the needs for power washing every year.
- Offers complete protection when used annually.
Patio Black Spot Preventer will prevent patio black spot infestation on new terraces and pathways. When used annually, Patio Black Spot Preventer will also prevent re-infestation of black spots after they have been removed with our Patio Black Spot Remover. It specifically targets the black lichen spores, killing them before they can germinate, avoiding the use of harmful and impractical pesticides.
Patio Black Spot Preventer will also kill green and red algae that grow on garden paths, patios and other decorative stonework.