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Mega Mass Chelated Iron 6% (EDDHA) 250g
General Usage: Mix 250g Iron Chelate in 5 litres of water for the correction and prevention of iron deficiency in a wide range of agricultural and horticultural crops.
Aquariums: Start with 1 teaspoon per 100 gallons of system water. Wait 2 hours. Repeat until a slightly red tint is visible. The red tint indicates plant available iron is present at satisfactory levels.