How often do I replace Supernova carbon?
How often Supernova is replaced depends on the richness of impurities and organic load in the system. For high impurity and organic loads measure 1 cup (114 g) of Supernova per 100 gallons (378 l) of water monthly for extreme organics conditions. For typical aquarium conditions measure 1 cup (114 g) of Supernova per 200 gallons (756 l) of water bi-monthly.
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