[APD] Light intensity and internodal length

["Seweryn Bialasiewicz" <s_bialasiewicz at hotmail_com>]

Hello all!

I have bunches of Wisteria and pennywort in my 3' tanks w/ 2X30W fluoro 
lighting (PowerGlo & AquaGlo), but the internodal distances are pretty large 
and also both put out a lot of the fine hairy roots from their nodes. What I 
am shooting for is nice dense plants without too many stem roots, not the 
scraggly looking things I have now. Would a 3rd bulb help? Or maybe I should 
get a real reflector instead of my home-job Al foil... Is low light or a 
nutrient deficiency a cause of excess node roots in stem plants? I never see 
any on the pictures of aquariums online...
Thanks for the advice,
- Seweryn

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