Rustins Algae Remover - 4L

No, it is not suitable for acid-sensitive stonework. Always test on a small, inconspicuous area first to ensure compatibility.

First, sweep away loose debris and lightly wet the affected area. Then, apply the product using a spray or brush. Allow it to work for a short period before rinsing with water.

It is designed for use on masonry, brick, concrete, and stone. Do not use on painted surfaces or decorative metalwork.

Coverage is approximately 5 square metres per litre, depending on the porosity of the surface.

Yes, after allowing the product to work for a short period, you must rinse the treated area thoroughly with water.

For severe cases, you can repeat the application process and use a hard bristle brush to agitate the affected area before rinsing.

The product information specifies use on masonry, brick, concrete, and stone. It is not recommended for wooden surfaces.

Ensure the surface was lightly wetted before application and that sufficient product was used. For severe cases, a repeat application or gentle agitation with a stiff brush may be necessary.

Some frothing is normal. If it appears excessive, ensure the product is not being over-applied. Rinse thoroughly after the recommended working time.

This may indicate incompatibility. Always perform a small test patch in an inconspicuous area first. Do not use on surfaces not listed as compatible, such as painted or acid-sensitive materials.

Ensure thorough rinsing with plenty of water. Stubborn residue may require a second rinse or gentle scrubbing.