High performance phosphate and silicate control for marine or freshwater aquariums. Seachem PhosGuard rapidly removes inorganic and organic phosphate and prevents buildup in your aquarium. Highly porous, high capacity beads resist compaction for optimum water flow essential for effective aquarium phosphate removal. 2 L/1.2 kg treats approximately 600 gallons.
Note: PhosGuard is not recommended for phosphate buffered freshwater.
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