[xandro007]

Is dose ei mutch iron
High CO2
High light
But my rotala isn't red

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[SwampGremlin]

You may need a red spectrum wave in you light set up.

 

[WaterLife]

What variety of Rotala is it?

 

[xandro007]

Rotundifoilia


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[xandro007]

Will a red led strip help


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[sohankpatel]

My rotala rotundifolia didnt turn red until it was 2" away from a ray 2. Rotala macrandra is a deep red color, just a bit more difficult.

 

[tinjiao]

Mine turn orange at the very top near the light. Probably just need more light.

 

[brad.harper.9]

Some plants need nitrogen deficiency to turn shades of red not just iron. Obviously trying to limit your N can be detrimental to other plants as well as the plants your trying to turn red. Not always worth the color.


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[dukydaf]

My aquarium is 125 liter
No3 50
Kh 3
Ph CO2 of 7 CO2 on 6.1
My light are 2 18w t8 8 hourper day

How high is high light ? Based on the info I cannot say that the light lacks a peak in the red spectrum.
Looking at your other posts I got the above. Don't know if it is up to date but it might help others provide a solutin.

1. In my opinion 2 T8 bulbs over a 125L (30g) is not high light, rather on the low side of things.
2. If accuraate, the NO3 are high. High levels of NO3 will prevent/help the plant stay green. But I do not recommend N stress to get red color.
3. Simple R. rotundifolia will get a pink-brown growing tip under high light. R. butterfly is way reder.

A red light will make the plants look redder. I cannot confirm at this time that red light actually makes the plants redder.

 

[xandro007]

8 led bars of eatch 1500 lumens dimmed so 1000 lumen I think 8000 lumens for a 100 liter tank is high


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