Crypts and Lights

Recently I added a third 20w flouro bulb to the two already sitting on top of
my 37 gal. tank.  Within a week I noticed that my dozen or so crypts started
melting more rapidly.  Is it the increased light that is doing harm here?  My
Anubias seem to love it...

be seeing you...
Adam Aronson
aaronson at aol_com
adam.aronson at spcorp_com