Clarke 3052810 BSR5 Black Spot Remover 5L

Clarke Black Spot Remover is a highly concentrated formula which lifts dirt grease and grime from most types of block paving, concrete and patio surfaces by breaking down the black spots and lichens.
5 Litres will cover up to 40m_ and can be easily applied directly to the surface using a pump sprayer or watering can.
For best results the solution should be left overnight and rinsed.
Not suitable for tarmac, resin or decking.