Wpg Rule Ticks Me Off

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For all who actually give a dam (not many I reckon! :p) I got this from the University of Southampton’s Website. I think you'll agree it explains things really rather well ;) (http://www.soes.soton.ac.uk/research/groups/oil_monitor/contrast.htm)

Ta sam.......I did my physics degree at southampton Uni. Didnt see this info tho. Ill peruse it now.
 
Anyway the WPG is just a lighting for dummies rule...

You calling me a dummy, Kenneth_kpe? :lol: :lol: :lol: Why don't we take this outside? :p

Ok, now you have me curious, gf. I read the article and understand it's principles, very interesting. Now, I'm going to ask a stupid question. How do you calculate your lux rating on your bulbs? I'm probably missing something really obvious, but I now want to know the lighting of my tank based on the article you posted.

Your simple rule, gf, is effective too. My glosso doesn't carpet in my 10g, it grows upwards. The jury's still out on my 15g, the glosso doesn't grow upwards, but I just added it a week ago. The glosso there, however, looks more compact and bushy.

Sorry, to hijack the original post with my question, Spiceweasel, I mean no offense, but I always like to learn something new.

haha sorry about that :) I was really sleepy last night when I posted that :p anyway the lux of the light can usually be found on the box, or by viewing its product catalog online (I always use Osram bulbs, the info is available online for their bulbs)

I was looking over their t5's and man are those high output compared to Pl lighting.... In lux of course....
 

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