Magnesium deficiency? - The Planted Tank Forum
 
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post #1 of 4 (permalink) Old 09-16-2012, 09:56 PM Thread Starter
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Magnesium deficiency?

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Just to double check. This is magnesium, right?

Also, what is the browning of the leaves? In my other tank there are many more leaves like this? Ignore the algae around the edges.
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post #2 of 4 (permalink) Old 09-16-2012, 10:09 PM
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that or Nitrogen.




Regards,
Tom Barr
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post #3 of 4 (permalink) Old 09-16-2012, 10:26 PM Thread Starter
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Ok. I've been dosing 3/4 tsp kno3 for my 75 gal 3x a week (EI dosing). I have noticed that my nitrates tend to be fairly low. I'll test the nitrates and see where they sit.

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post #4 of 4 (permalink) Old 09-17-2012, 03:29 AM Thread Starter
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Tom, on your tank, how much ferts do you dose? I'm following the below guidelines for my tank which has a par of 40 on my 75 gal tank. I'm not dosing the extra iron.

Also, the blood red ludwigia is not turning as deep red, but more of a browner color. Any suggestions?

60~80gal
50% H20 change-weekly
3/4 Tsp-KN03 3x a week
3/16 Tsp-KH2P04 3x a week
1 Tsp-GH booster once a week
15ml 3/16Tsp-Trace 3x a week
Optional
4-8ml-Fe/Iron 3x a week

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