All In One 20L - Green Algae RemoverHOW TO USE For normal use: Mix 1 part of All In One with 6 parts of water. Covers approximately 250sq. m. For Light Use: Mix 1 part of All In One with 10 parts of water. Covers approximately 400sq. m. Check suitability applying to an inconspicuous area before treatment. Thoroughly soak surface to be treated using watering can or sprayer. Leave for three four days, remove Algae using stiff brush, dispose into compost bin. Brush area treated if
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