Reva-klar MAREVA clarifying cartridges - 1 kg - 150021U, clarifying sticks with strong coagulating and flocculating power. REVA-KLAR provides an additional layer of filtration formed by alumina salt which traps the finest particles. Marva specializes in the manufacture and design of treatment products and equipment for in-ground pools, above-ground and self-supporting pools or 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: Coagulates and flocculates, this clarifier provides an extra layer of filtration for your pool. Carries out a backwash of the filter Multiplies by 20 the performance of a sand filter Features: Action: clarifier Composition : aluminium sulphate Weight : 1 kg Shelf life : 3 years Directions for use: Backwash the filter Adjust the pH between 7.2 and 7.6 to optimize the flocculating power of the REVAKLAR clarifier Put a flocculant cartridge in each skimmer (as many as the number of skimmers but at least 2 cartridges in total for a pool of 80/100 m3) Let the filtration run continuously for 24 to 48 hours after the treatment Backwash if necessary after the time indicated above Using REVA-KLAR clarifying socks once a month helps to keep the water crystal clear Packaging : Reva-klar MAREVA clarifying cartridges - 1 kg - 150021Ulivrable in original packaging