Patio Black Spot Preventer For All Stone Types


Regular price £59.99
Regular price £0.00 Sale price £59.99

Patio Black Spot Preventer

For use on all stone types. Patio Black Spot Preventer will prevent black spot infestation on terraces and pathways. 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.

This product will treat a maximum area of 50 square metres. For application within 12 months of the Patio Black Spot Remover. 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.

Care & Maintenance

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


FREE Mainland UK delivery on all orders Over £50 and £4.99 delivery charge on all orders Under £50. None UK deliveries quoted at checkout (if available).

Contactless Delivery – no signature required, see enhanced delivery details for full process.

  • Whilst you cannot select a specific delivery date during checkout, once the order has been processed, a delivery window will be provided where possible, either the evening before or the morning of delivery.
  • We can deliver to a different address than the billing address. This option is available during the checkout process.
  • If you would like the order leaving with a neighbour or in a specific place, please indicate this during the checkout process.

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  • No need to worry about the hassle of returning faulty or damaged products. Hayes Garden World shall arrange collection, or exchange should it be necessary.
  • Our courier will print returns label and attach when they collect.
  • Ordered the wrong product or it is unsuitable and you wish to return it? No problem, we will enclose full details of the return address and process.

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