Ferrogan

Iron Fertilizer for Aquaria Highly concentrated iron complex for safe elimination of iron deficiency in water plants. Granules undissolved: Every fortnight, distribute 1 g Ferrogan for every 100 l of water in the tank (1 plastic cap). The compound will dissolve within 2 - 3 days. Granules dissolved: Every fortnight, add 10 ml of a 1 % solution (10 g on 1 l water) per 10 l of water.