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residue-free polyester
Why can a standard ammonia test still show ammonia after dosing
No nitrates or phosphates
helping to avoid chemical residue
What does Juwel Amorax do in an aquarium filter
Dophin Internal Filters Model:F-800 residue-free polyesterDophin Internal Filters Dophin Internal Filters are used to provide powerful mechanical, chemical, and biological filtration for fresh and marine aquariums, ensuring crystal clear water and a healthier environment for aquatic life. The Dophin Internal filter is a heavy duty filtration system delivering powerful mechanical, chemical, and biological (some models) filtration, which produces crystal clear water in both fresh and marine aquariums. The
