Salifert Trace Hard Additive 250ml

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Salifert Trace Hard is a concentrated additive designed for use in the marine aquarium. In any marine set up, the trace elements are naturally absorbed from the water, so using a t reatment such as Trace Hard will ensure levels are at the optimum level. Perfect for the best development of Hard Corals. Replenishes lost trace elements. Contains manganese, iron, cobalt and zinc. Encourages coral skeletal growth and pigmentation. Designed to reduce the risk of overdosing. Iodine free. Dosage: 5ml per 100 litres / 22 gallons, once a week. Show more