[AGA Member] Red Pigment-K spectrum experiment

["Phil Edwards" <biotypical@hotmail.com>]

Hi folks,

I'm gathering data on the correlation between red pigment in plants and the 
light spectrum they're provided in our aquariums.

I remember seeing the question many times "How do I get my plants to be more 
red?" The other day in class my prof. said something that clicked and got me 
thinking.

My hypothesis is this: Since a plant produces red pigments to capture blue 
light, then a plant grown under a higher K rating bulb (more blue light) 
should be more red than if it were grown under a lower K bulb.

Please make mention of how red your plants are.  A general percentage guess 
is good enough.  Right now I'm just trying to get anecdotal information from 
hobbyists since the environments in each individual aquarium is different 
than another this experiment isn't going to take into account variances in 
nutrition.  All I'm interested in is spectrum rating.  If you want to send 
NO3, CO2, and other measurements along for the ride I'll be happy to track 
those too for fun.

Thanks,

Phil Edwards
Charlotte, NC

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