Nutrafin Phosphate Reagent Refill #2 is for use with Nutrafin Phosphate Test Kit. Phosphate levels should be monitored weekly. High levels of phosphate often the result of overfeeding or infrequent water changes can contribute to unsightly algae growth. Therefore the phosphate levels should generally never exceed 1 mg/L. Nutrafin Phosphate Reagent Refill #2 Features and Benefits: - For use with the Nutrafin Phosphate Test Kit - Suitable for fresh or saltwater aquariums - Allows you to properly measure phosphate levels.
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