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Ostara are proving that struvite has a real market as a fertiliser. The 150 tonnes struvite/year recovered at Thames Water’s Slough sewage works is being successfully sold to farmers and for turf applications. Demand is exceeding supply and Ostara has even had to import struvite from its several operating plants in North America. Struvite is a slow-release phosphorus & magnesium fertiliser, adapted to plants’ needs for nutrient supply over time. The high quality (purity, granulometry) of Ostara’s CrystalGreen® product is considered by the company to be key to this market success.

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