Patio Black Spot Preventer For All Stone Types 2.5 Litre

Patio Black Spot Preventer will prevent staining and discolouration from black lichen on new terraces and pathways.
This product will treat a maximum area of 50 square metres.
For application within 11-12 months of using Patio Black Spot Remover.

For use on all stone types.

When used annually, Patio Black Spot Preventer will also help prevent black spots from reappearing once they have been removed with Patio Black Spot Remover. Its cleaning action helps prevent lichen from discolouring the surface.

Patio Black Spot Preventer will also help remove green and red algae that grow on garden paths, patios and other decorative stonework within 3-5 days of application.

Instructions

1 – Apply on a dry day, when rain is not forecast for 48 Hours.

2 – To treat 20 square metres, fill a 5-7 litre pneumatic garden sprayer with 3 litres of water. Add 1 Litre of Patio Black Spot Preventer. You should now have 4 Litres of product in your sprayer. Always add the Preventer to the Water to prevent bubbling when mixing.

3 – Apply ALL the product to an area no larger than 20 square metres (4x5 metres). Saturate the surface.

4 – Repeat stages 2 & 3 for areas larger than 20 square metres

5 – Allow to dry out – DO NOT WASH OFF

If Green Algae appears in shaded or north-facing areas during the 12 months after applying the Preventer, simply retreat those areas when required, making slippery areas safe again.