Anti - algae - triple action 0.25/20m3, Water treatment to prevent algae blooms. Directly in the pool, filtration on in the absence of a swimmer. Act quickly and effectively. Advantages: Anti - algae Triple action Preventive treatment Treats pool water efficiently In liquid form Instructions for use: In the pool directly, filtration is running, in the IMPERATIVE absence of swimmers. In case of high temperatures and/or heavy rains, in case of algae growth (slippery walls), apply a shock treatment (chlorine, bromine) followed the next day by an addition of 1L to 2L of Triple Action anti - algae per 50m3. Dosage: 1/2 litre of Triple Action anti - algae per 50m3 of water per week. Features: Liquid: 0.25/20m3 - 5L APCA: 3%. pH (1% solution): 7 5L bucket Composition: APCA: polymerized quaternary ammonium chloride (29.10g/kg) Packaging: 1 x Anti - algae - triple action 0.25/20m3