For the best results, add 1 l of winterising product per 40 m³ before the start of the winter season.
This is a chemical product and should therefore be kept in a cool dry place away from children. For proper use, always read the information on the packaging before using this product. It is important to keep the sand filter running at all times; continuous filtering will also improve the effect of this product.
Caution: Never mix this product with any other product as it may result in the release of hazardous (chlorine) gases.