Patio Black Spot Preventer
Product Details
For use on all stone types. Patio Black Spot Preventer will prevent black spot infestation on terraces and pathways and also remove green algae in 3-5 days of application.This product will treat a maximum area of 50 square metres.For application 11-12 months after using Patio Black Spot Remover or on brand new stonework.
Patio Black Spot Preventer will prevent 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, removing them before they can germinate and avoiding the use of harmful and impractical pesticides.
Patio Black Spot Preventer will also remove green and red algae that grow on garden paths, patios and other decorative stonework within 3-5 days of application.
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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.
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