HG green tarnish cleaner removes the well-known gray green veil, or rather algae growth, from terraces, paths, walls, roofs, sleepers, terra cotta pots, gravestones, etc. After application, the algae growth disappears within 36 hours. The cleaner attaches itself to the surface, protecting the material against algae growth for a few months. It goes without saying that HG green scale cleaner is not harmful to grass and plants.

HG green tarnish cleaner should be applied in dry weather and preferably in a period when no rain is expected for the first 2 days. Dissolve HG green tarnish cleaner in a ratio of 1:20 with water, or a quarter bottle to half a bucket of water. Apply the solution with a watering can, stiff broom or plant sprayer. Because HG green tarnish cleaner does not leave any harmful substances behind, no further spraying is required. After treatment, the surface is perfectly protected against algae growth for months.

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