HG algae & mould remover

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HG algae and mould remover removes the well-known grey-green veil, also known as algae build-up. This algae remover removes algae build-up from patios, paths, walls, roofs, sleepers, terra cotta pots, gravestones, etc. Removing mould and algae has never been easier! Result within 36 hours Sufficient for surfaces of up to 200 m2 When diluted, no harmful effect on grass and plants How do you use HG algae and mould remover? Follow the steps below to remove algae build-up from patios, paths, walls and more with HG algae and mould remover. Removing green build-up: 1. The mould and algae remover should be applied in dry weather and when no rain has been forecast for at least two days. 2. Remove most of the moss prior to the treatment. 3. Dilute HG algae and mould remover in a ratio of 1: 20 with water. Apply the solution with a watering can or plant spray. Use biocides safely. Read the label and the product information before use.