E15 FerActiv Iron Fertilizer Provides All Aquarium Plants With Divalent Nutrient Iron That They Can Use Immediately, Providing A Beautiful, Fresh Green Color. Symptoms of deficiency such as yellow, glassy leaves are virtually completely cured while young leaves can once again display a rich, green color.EisenmangelIron is of crucial importance for all Aquarium plants. It was needed for generating the all-important chlorophyll. Without chlorophyll, the plant cannot photosynthesize. The effects of iron deficiency are immediately apparent: young leaves appear pale and yellowish (iron-induced chlorosis) .Please note: plants can only absorb divalent iron. This is unfortunately not stable in an Aquarium, and is quickly oxidized to become an ineffective trivalent “brown” iron. Tap water contains virtually no iron.
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