Re: Iron and red plants

[busko at stsci_edu (Ivo Busko)]

Tom Barr wrote:

<snip>
>I reject the notion that high light levels and iron are reasons for good red
>color. Perhaps better/faster growth, more dense foliage, general health but
>when it comes to color by itself, I disagree.
>I have too many instances were tanks haven't had any iron added, low light
>levels yet extreme red color. My observations have been mirrored by others
>on the this list and not on this list.
>Why is there a red intense color when these two elements are absent then?
>Seems very unlikely that they are.
<snip>

Tom,

Could you comment on the *spectrum* of the lights ? Did you see any 
correlation between the red color and the type of light bulb ?

-Ivo Busko
 Baltimore, MD

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