The small sized cartridges help to prevent algae growth by ridding those important nutrients needed by algae to grow and reproduce. One Ciano Stop Algae Cartridge offers the equivalent of 45 days maintenance, producing noticeable clear water in a short space of time. For best results it is advised that the cartridge is changed from the Ciano filter every 45 days. Each cartridge contains nitrate and phosphate removers which are embedded into the structure for remarkable results.
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