Seachem Flourish Excel 4L (1.1 gal.) is a simple source of readily available organic carbon. One can derive a substantial benefit with the use of flourish excel either alone or combined with CO2 injection. Flourish Excel also has iron reducing properties which make the ferrous iron more available to aquarium plants. A 100ml bottle treats 80L (20 gallons) for 1-2 months. This item is a special order item only.…

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