Skimz PurPhos is a specially manufactured Phosphate Adsorption media (PAM) which was developed for the removal of phosphate (PO4), the main cause of algae problem. PurPhos has an extra longlife, the media last a lot longer than other conventional PAM due to their high capacity.
Use 100ml PurPhos for every 100-200L of saltwater or 200-400L of freshwater. Rinse the media briefly in freshwater to remove any dust before use. Replace PurPhos every 3 to 6 months depending on the initial phosphate concentration and levvel of feeding.
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