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Todo filtro de actividad biológica produce ácidos que reducen el valor del pH. Simplemente hay que cargar en los filtros biológicos un material calizo como última capa de material filtrante que fijará entonces los ácidos que se produzcan.
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Each biologically active filter produces acids which then decrease the pH value. Just place a layer of calcareous material as your last filter media into the bio-filter where it will bind the acid.
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Each biologically active filter produces acids which then decrease the pH value. Just place a layer of calcareous material as your last filter media into the bio-filter where it will bind the acid.
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Each biologically active filter produces acids which then decrease the pH value. Just place a layer of calcareous material as your last filter media into the bio-filter where it will bind the acid.
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Each biologically active filter produces acids which then decrease the pH value. Just place a layer of calcareous material as your last filter media into the bio-filter where it will bind the acid.
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