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Do red lamps induce redening of leaves ?

>Subject: Do red lamps induce redening of leaves ?
>Dear all,
>The front lamp of my tank is red/blue.
>The middle one is yellow and the back one bluish...
>My D. diandra on the front makes yellow/red leaves.
>When I make cuttings of these stems and put them in the middle
>they still look green/yellow for some time but revert to green after two weeks.
>So does the light spectrum affect leaf colour ?

(Assuming sufficient iron) Blue light makes red leaves, (IIRC).


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