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Iron complement for seawater aquarium (500 ml)
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Colombo Marine Metals+ Colour 3 contains o.a. irons, manganese and nickel.
These elements are important for especially yellow and green colours.
Dosage after iron test:
1 ml pet 100 litres increase the iron content with 0,02 mg/l.
Optimal value is 0,15 mg/l.
If you do not test the iron content you can dose based on the calcium absorption. This method is less accurate and must be used with care.
Dose per 100 ml Colombo Marine Calcium+ 4 ml Colombo Marine Metals+.
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