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fluorescent tubes

>Cool whites rated 4th overall of 17 bulbs evaluated! The tops went to
>Advantage X and Actinic White. Actinic light is not particularly good
>for growing plants (just coral). For viewing aquatic plants, Cool Whites
>are fine.

1) Sure they ouput the most energy, but most of it is green. Not
as usefull as red or blue.

2) All things considered, they're ok though. The low budget hot tip
is one cool white one warmwhite. Next to green, CW's put out lots of 
blue, and WW's, red.

Richard J. Sexton                                         richard at aquaria_net
Maitland House, Bannockburn, Ontario, Canada, K0K 1Y0       +1 (613) 473 1719