Jarder Super Strength Black Spot Remover And Patio Cleaner - Black - 3 X 5L

Results depend on the severity of the stains and the dwell time. A minimum of 3 hours is recommended, but leaving it overnight generally yields the best results, with the stains breaking down significantly during this period.

This product is not recommended for use on wooden surfaces. It is formulated for hard exterior surfaces like stone, concrete, and paving.

While not always strictly necessary, rinsing with water after the dwell time can help remove loosened residue. In many cases, heavy rain will naturally wash away the residue. Avoid washing large amounts of residue into drains or watercourses.

One 5L bottle of Jarder Super Strength Black Spot Remover covers approximately 40 square meters, depending on the porosity of the surface and the method of application.

The product comes with a 1-year guarantee.

Keep children and pets away from the treated area during application and until the surface has been rinsed or is dry. It is advisable to cover nearby plants or rinse them thoroughly after treatment to avoid damage.

It is best to apply the product in dry conditions when temperatures are above freezing. Avoid application during frost or when heavy rain is expected immediately after application.

Ensure the product was left on the surface for the recommended dwell time (minimum 3 hours, ideally overnight). Reapply if necessary, ensuring thorough coverage. Check that the surface is compatible with the product; it is not suitable for tarmac, resin, or UPVC.

This can occur if the underlying cause (e.g., damp conditions, overhanging trees) is not addressed. For persistent issues, a second application might be needed. Ensure all visible organic growth has been fully treated.

This is a concentrated formula designed to cling to surfaces. Ensure it is applied evenly. If the product has been stored in very cold conditions, allow it to return to room temperature before application.