Incorporates a pH indicator to check the effectiveness of the product. The colour changes from pink to yellow. It is recommended to a bathroom cleaning of the flint at the beginning of each season. Add the appropriate amount of product according to the measure of filter and leave to act for 12 – 24 hours.Filter diameter: Silnet kg:400 – 500 10500 – 600 15600 – 700 20700 – 800 30800 – 900 40900 – 1000 501000 – 1200 70Then make a filter Washing to remove the dirt and remnants of product.
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