SuperFlock plus is a solid cartridge Flocculant that continually acts against cloudy water. Thanks to its lantnium, it eliminates metals and phosphates responsible for algae proliferation. It is a product of high durability. Packaging: 1kg with 8 cartridges. User Advice: Before placing the cartridge, backwash to the filter and adjust the pH between 7.0 and 7.4. Place a SuperFlock plus cartridge in the Skimmer basket as it has a larger water flow. In overflowing pools, place the cartridge in a network or bag and hang it inside the compensation tank. If the pH is between 7.5 and 7.8, the SuperFlock plus can remove copper (the iron is removed at normal pH). Recommendations: Filter should be done every day (time equal to the water temperature divided by 2). With high temperatures or intensive use of the pool, more product may be required. Use only this product if you have a sand filter. For sand filter pools.For pools with volume above 10m3.Ond: on skimmer.when dose: once a week.