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iron or magnesium deficiency?

1422 Views 3 Replies 4 Participants Last post by  Wö£fëñxXx
I've had this Anubia nana in my 30g non planted tank for over a year now, but lately it has been yellowing and looking bad. from reading around it seems like either magnesium or iron deficiency, but I have really hard water, so don't know if it should add epsom salt. What do you guys think? Iron or Magnesium..and how much do I need to dose.



As I said, this Isn't a planted tank, but im slowly adding more anubia's and java ferns/moss.

Tank had 20w light, and just recently switched to a 55w light.
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Parameters

Do you have more precise parameters of your thank?
Tank had 20w light, and just recently switched to a 55w light.
This is the problem, to much light for a plant in a non planted tank, I see BBA on the leaves, shade the plant if you can.
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