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flat Cryptocorynes

I have some Cryptocoryne lucens growing in a 20g tank under 4 20watt 
Corallife Trichromatic fluor. bulbs.  They are growing well, but very flat. 
 I would like to change their growth to be more upright.

I read in back issues of TAG that Diana Walstad and others have had results 
in getting their crypts to "stand taller" by using light with more 
emphasis in the red/far red area.  At the time the TAG was written, lights 
recommended to accomplish this included incandescent (not an option for 
me), Sylvania Gro Lux WS and possibly VitaLite.

Does this still represent current wisdom?  Thanks for the help,

Roxanne Bittman
Please note new email address:
Roxanne Bittman, Botanist                    Natural Diversity Database
Phone: (916) 323-8970                 __o    CA Dept of Fish and Game
Fax:   (916) 324-0475               _ \<_    1220 S St
Internet rbittman at kirk_dfg.ca.gov  ( )/( )   Sacramento, CA 95814