HagenKB

Plant Iron Deficiency

I dose my aquarium with a liquid fertilizer as per package instructions, every two weeks. Why do my plants continue to show symptoms of iron deficiency?

I dose my aquarium with a liquid fertilizer as per package instructions, every two weeks. Why do my plants continue to show symptoms of iron deficiency?
There are many factors which could result in symptoms that resemble those of iron deficiency. The basics should always be verified:

1) Lighting period (10 to 12 hrs./day).
2) Frequency of fluorescent bulb replacement.
3) Aquatic vs. Non Aquatic Plants
4) Water Chemistry (pH, KH)
5) Additives used (ie Salt)/Treatments (Disease) The fertilizer should contain chelated iron, an extremely important micro-nutrient. The dosage frequency should always be determined with the use of an iron test.

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