| Tropic Marin Pro-Coral Mineral are crystallized trace elements to stimulate growth and health of all invertebrates. In saltwater aquariums with a high invertebrate population, a lack of trace elements can lead to impaired growth and invertebrate deformities. Pro-Coral Mineral contains a concentrated form of all trace elements, including iodine and strontium, that are found in natural sea water. Without chelates, phosphates and nitrates. Dosage: every week 1 measuring spoon (5 g) on 50 litres of aquarium water |
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