Aquaforest Component C - 150ml Iodine & Fluorine
It should be applied at least once a week in a dosage of 10 drops for 10l of aquarium water or 10ml (one top) for 200l (54 US gal.) of water – with average coral planting.
US: 19 drops for 5 US gal. of aquarium water or 10ml (one cap) for 54 US gal. of water.