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I went to my LFS today and got some fertilizer supplements. One of the things I picked up was Flourish Iron. (They only have Seachem ferts in any variety...) I also purchased a Red Sea Iron Test kit. I tested my water and found that there is less iron in my water than the test will register. (Less than .25 ppm) I have a few questions.
1) What should my iron levels in my planted tank be?
2) Will dosing iron have a potentially negative effect on my plants, or is this like my phosphate question where even if I add too much it could not hurt?
3) What are signs in plants that show whether or not I have an iron deficiency? What about an iron surplus?
4) I looked here and could not find a way to calibrate an iron test. Is there a method posted anywhere here on TPT? If not, does anyone know of a way to calibrate this test or to at least check it for accuracy using some known concentration of iron?
Thanks to all for your help!
1) What should my iron levels in my planted tank be?
2) Will dosing iron have a potentially negative effect on my plants, or is this like my phosphate question where even if I add too much it could not hurt?
3) What are signs in plants that show whether or not I have an iron deficiency? What about an iron surplus?
4) I looked here and could not find a way to calibrate an iron test. Is there a method posted anywhere here on TPT? If not, does anyone know of a way to calibrate this test or to at least check it for accuracy using some known concentration of iron?
Thanks to all for your help!