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Phosphorus supplement for the planted aquarium
whether or not we can see it
efficiency and management
bicarbonate drives the pH toward 7
Thanks to the special flow deflector and magnet holder
Fluval C4 Carbon - 3 pack ESV Phosphorus supplement for the plantedFluval C4 Activated Carbon improves water clarity for fresh and saltwater aquariums. Exclusively designed for the Fluval C4 Power Filter, it provides superior adsorption qualities, which eliminate odors, discoloration and impurities.
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