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Re: [APD] Re: how much light?



If we're accepting that light comes back from the sides of
the tank, then front-to-back depth must matter too on where
the light is "focused."  No?

Scott H.
--- Andrew McLeod <thefish at theabyssalplain_freeserve.co.uk>
wrote:
> As to the 2-3 wpg rule, I once saw an interesting site
> about a more 
> mathematical approach to this.
> As with all approximations, I would assume it tended to
> break down at 
> extremes. 240 gallons would be an extreme, surely?
> But then again, if height is not that important, then all
> that matters is 
> that you have enough light for your plants - and plants
> take up volume, 
> not length.
> 
> -- 
> Andrew McLeod
> thefish at theabyssalplain_freeserve.co.uk
> _______________________________________________
> Aquatic-Plants mailing list
> Aquatic-Plants at actwin_com
> http://www.actwin.com/mailman/listinfo.cgi/aquatic-plants


=====
S. Hieber

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