Update: 2/5/2013
It's been about one week since the DSM start, but there is noticeable growth happening!
I've trimmed off one or two leaves that were yellowing or starting to look dead so far, but the crypts are growing new green leaves!
And the ludwigia are starting to send new pink roots down into the substrate, with awesome pink new leaves growth along the nodes.
Just spent the last pennies in my budget for more plants, hopefully coming in sometime next week.