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Re: [APD] light PC/HPS

Daniel Larsson wrote:
> 0.58 microEinsteins/Joule. Not bad, not good.

Interesting. That seems to imply that 300W of these Iwasakis is about 
equivalent to 150W of the AB 10,000K bulbs (as far as the plants are 
concerned). That's good to know since they don't look too much different 
to the eye.

I think I will keep track of growth rates under the Iwasakis and try 
some AB 10K's later and see if the growth rate increases.

Jerry Baker
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Aquatic-Plants at actwin_com