The Aqua One PhosPad is a tightly woven chemical filter pad which absorbs phosphate from your aquarium water. High phosphate levels within an aquarium is one major food source for algae. Phosphate builds up overtime as a result of overfeeding, poor quality fish food, lack of regular water changes or decaying plant matter.
PhosPad is not a substitute for good aquarium practices. PhosPad should be used as a preventative or treatment, not a cure for prolonged phosphate concentrations in your aquarium.
It is essential you replace the PhosPad after 4-6 weeks as the microscopic pores in the pad can fill up and release all the waste previously collected, back into your aquarium.
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