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Re: Steminess
I do believe your problem is insufficient light. Cabomba will be bushy with
bright light. Likewise, the redness of the ludwigia requires bright light.
"Stemmy" is your clue. The rough guideline is 2 to 3 watts of fluorescent
lamp per gallon. (Please no heckling. This is just a rough guideline and I
know what it doesn't cover.)
You can go with a high-intensity setup (which requires new ballasts and
lamps) or add another one or two 20-watters to your existing system.
>cabomba is growing like crazy, and has to be trimmed weekly, but is not
>very bushy; it's all stem and little foliage. My ludwigia came with
>small red leaves, but has now grown nearly to the water's surface with
>much larger leaves, all green except at the very top, and again, stemmy.
>My Amazon Swords have long, narrow leaves, without the widening at the
>top that is characteristic of the plant.
(snip)
>My substrate is mixed gravel and sand, and I fertilize weekly with Tetra
>FloraPride, which has iron sulfate. Light is two 20 watt flourescents. I
>use DIY CO2.
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Greg. Tong
gtong at sirius_com (delivered by Cyberdog)
San Francisco, CA, USA
"Every infinity is composed of only two halves."