Stop-metal MAREVA - 1L - 150070U, the product that allows you to treat the water of a swimming pool in which the presence of metals (iron ions, copper, etc...) would have been detected. Indeed, a swimming pool can become "ferrous" in particular after a brown stain has appeared, or by becoming a pronounced psychedelic green. This product will effectively and radically eliminate the metals that are present in the water while ensuring the effectiveness of other treatment products. Benefits: Immediate action on green water (if the cause of the color is metal oxidation) Efficiently eliminates metals (iron and copper ions, etc.) Does not harm other treatment products Characteristics: Anti-metals Capacity: 1 Litre Instructions for use Use biocidal products with care. Before use, read the label and the information concerning the product. The Stop Mtal product is ideally used with water having a pH of 7.2 to 7.6. Never dilute the product directly in the can, use a watering can. 0.1 litre of Stop Metal for 2 mg/l of metal (10 m3 basin) 1 litre of Stop Metal for 3 to 4 mg/l of metal (50 m3 basin) Filter all night to be able to bathe the next day. Packaging : MAREVA Metal Stop - 1L - 150070UL Delivered in its original packaging