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Re: GE Chroma 50s

In a message dated 2/20/00 3:53:49 AM Eastern Standard Time, 
Aquatic-Plants-Owner at actwin_com writes:

>  I
>  have seen "Plant and Aquarium" bulbs and some other Sylvania"plant" bulbs
>  but I'm not going to get anythingthat I know nothing about-and I'll
>  venture to guess that these ones won't be as good - I had outstanding
>  results with Chroma 50's. Thanks for any help.

I don't know where to find GE Chromas, but I have used some of the Sylvania 
bulbs with good results. The Gro-Lux is a very "blue" plant bulb that brings 
out fish colors well and does good on the plants too. Right now I am using 
Sylvania Sun-Stick bulbs (along with Tritons and Corallife trichromatics). I 
have been getting really strong steams of oxygen bubbles coming off my 
plants, so I tried turning off each different kind of bulb to see if I could 
tell which ones were most responsible for the photosyntheis. From what I 
could tell (this was not by any means a well controlled experiment), the Sun 
Sticks were doing more than the others for oxygen production and therefore 
for plant growth. However, it may have just been related to bulb location 
over the plants, bulb age, or any number of other factors. Still, I like the 
Sylvania bulbs, and for the price, I think they are worth consideration.