Set of 3 MAREVA Stop-metals - 1 L - 150070Ux3, the product which allows 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 spot has appeared, or by becoming of 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. Marva specializes in the manufacture and design of treatment products and equipment for in-ground pools, above-ground pools, self-supporting pools and public pools. Today, it is one of the European leaders in pool treatment products and the second largest producer of P.H.M.B (PolyHexaMethyleneBiguanide) which is a chlorine-free disinfectant. Advantages : Immediate action on green water (if the cause of the color is the oxidation of metals) Eliminates efficiently metals (iron, copper ions..) Does not harm other treatment products Characteristics : Batch of 3 Anti-metals Capacity : 1 Litre Ref.150070Ux3 Instructions for use Use biocidal products with care. Before using, read the label and the product information. Stop Mtal is best used in water with a pH of 7.2 to 7.6. Never dilute the product directly in the can, use a container such as a measuring jug. 0.1 liter of Metal Stop for 2 mg/l of metal (10 m3 basin) 1 liter of Metal Stop for 3 to 4 mg/l of metal (50 m3 basin) Filter overnight to be able to bathe the next day. Packaging : A batch of 3 MAREVA Stop-metals - 1 L - 150070Ux3Delivered in its original packaging