• Please refer to the Technical Data Sheet for full instructions.
• Please wear old clothes or suitable overalls as the product can discolour organic fibres.
• Always carry out a test patch to assess suitability and dwell time in an inconspicuous area.
• If the product is not suitable do not continue to apply the product.
• Lightly pre-wet the area.
• Apply the product neat.
• Use the test patch to gauge dwell time required for your patio.
• Do not overspray product onto adjacent lawns or plants.
• If you think the product will encounter adjacent lawns and plant life pre-wet them with clean water.
• Apply to the surface using the TileMaster 40 or a low-pressure sprayer, watering can or neat from the container.
• Always keep the surface visibly wet by over spraying with more product.
• Periodically agitate the area treated with a stiff brush.
• Rinse away the product with a hose pipe.
• After treatment pressure wash the area for best results.
• Repeat if required and/or extend the dwell time for heavy contaminations.
• Do not allow the product to travel into garden ponds containing fish or other aquatic life etc.
• Safe for children, pets & wildlife once dry.

Powerful, targeted algae and black spot elimination formula for patios and paving

Algae and Black Spot Removerfor natural stone, block pavers & concrete patios. Anyone who has tried to remove black spot lichen from a patio or flagstones will know it can be very difficult to remove. Black Spot lichen does not respond to pressure washing alone as it is deeply ingrained. Some people recommend using bleach to remove black spots on patio but unfortunately, this simply doesn’t work.

Trouble with black spots on Indian Sandstone?

General patio cleaners need not apply here! Most cheap patio cleaners are just simply too weak to remove black spot lichen. They may have some effect but usually do not remove lichens.  By using our TileMaster Algae and Black Spot Remover it is a case of doing the job right with a full-strength product! Furthermore, this is also a patio algae remover as it will eliminate mould, algae and other similar deposits. This algae and black spot remover for patios comes in 1 litres and 5 litre deal. Algae and Black Spot Remover is highly effective at cleaning all garden stonework including walls, coping stones and natural stone patios. Apply it to pavers, slabs, block paving and driveways for effect, agitate with Tilemaster 40 before simply rinsing the area after treatment and lightly pressure wash the surface for best results. We highly recommend our Algae and Black Spot Remover as the best product for removing black spot lichens from your patio and paving slabs!

Algae and Black spot removal solution works on all natural stone types

This is an excellent black spot lichen remover for all natural stone and concrete patio’s. It provides fantastic results on all difficult to remove organic marks and green algae and also works as a patio stain remover. It can be used on external tiles, concrete, block paving and brickwork. If your Indian sandstone patio is suffering from black spot contamination you may have tried to pressure wash with little or no effect. Our algae and black spot remover will remove black spot from both Indian sandstone and also Yorkshire sandstone flags. Algae and Black Spot Remover is a fantastic professional-strength cleaning product. Apply the product neat then, agitate and leave it to dwell and work its magic! Algae and Black Spot Remover is to be applied neat with a dwell time, the dwell time can be specifically determined by carrying out a test patch. Typically, this will be no less than an 20 minutes and you can always extend dwell times or repeat for severe infestations. Black spot removal is always possible but you must follow the instructions! Carrying out a small test patch on the lichen on patio will provide a timing that is to be repeated when treating the rest of the area. Once you have removed black spot lichens you can prevent their return by using one of our seals. You can read our blog about how to remove black spot lichens from your patio, please Click Here. 

Please read the full instructions & related information contained within the Technical Data Sheet. If you require help choosing a sealer or cleaning product please feel free to contact us on (0161) 444 0377. You can email us at [email protected].

Coverage Rates Per 1 Litre per coat

High dense growth 8 - 12 sqm

Medium dense growth 15 – 20 Sqm

Technical Data Sheet

MSDS

Apply Algea and Black Spot Remover neat and allow to dwell for at least an 20 minutes – extend the dwell time if required. Repeat the process if required.

A build-up that has taken many years to form will be more difficult to remove than a single years growth!

No, it is designed to soak into the surface and any excess is to be wiped away. The product leaves the protected surface with a totally natural appearance. The sealer is meshed into the pores of the stone. It is not a surface coating or lacquer so will not blister, flake or peel.

They are incredibly stubborn lichens, they are impossible to remove by jet washing. To get rid of these back spots on your patio, you need to ‘kill’ the living lichen first before washing away.

When wetting out the area to be treated you should also wet out the surrounding bedding plants and lawns. The product will be diluted if it encounters these areas and loses its strength.

The way to neutralise black spot remover is to add lots of clean water to dilute it. The product has no residual effect when dry. It is a contact product and will not continue to work once dry.

Add more product so the surface is visibly wet, do not allow the product to dry on the surface. Agitate with a brush to move the solution over the high areas of the stone. This will also to stop the fluid from simply sitting in the low areas of the paving.

Yes, it is an ideal product for sealing natural stone patios such as marble, limestone, travertine sandstones, slate, granite and other porous surfaces.