Salifert Test Kit Nitrate STAUB * Vibrant porcelain enamel is

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Salifert Test Kit Nitrate STAUB * Vibrant porcelain enamel isNitrate testing When an aquarium has insufficient regions deprived of oxygen (= anaerobic zones) or denitrification proceeds incompletely then nitrate will build up. A too high nitrate concentration can result in unwanted algae growth and these might irritate corals in their neighborhood. Nitrate as such also retards coral growth. The nitrate concentration in a proper functioning reef aquarium should preferably be lower than 1 mg L. Fish only