Low Intensity Light (11w)

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I have two 11W PL Flourescent tubes in my 20 gal tank (standard with the built-in hood). Are there any plants, grass and/or moss that may grow and flourish in low light? My dilemma is that the tubes are non-standard.

I contemplate for a rather simple and maintainable setup - moss carpet (perhaps with grass at the rear), possibly some plants and moss covered branches and rocks.

No chance?

Edit: While I'm here, could someone please clarify whether the total watts per gallon ideal (with multiple lights) equates to the total number of watts (ie, 11W x 2 = 22)?

 

[mgamer20o0]

http/www.plantgeek.net/plantguide_list.p...amp;filter_by=2

i would stick with the low light plants. you should be able to grow something.....

i think you figured out the whole wpg..... 11wx2=22w/20gal= 1.1wpg