Just to update, the anemone still looked bad last night so I have stopped dosing VC and started running carbon. I'll let you know how it looks when I get home tonight.
For reference, here's how it looked before dosing:
Here is what it has looked like for the past 4 days while dosing VC:
By no means am I suggesting that VC is the cause. However, to my knowledge I have changed nothing else to my system or routine in the past 4 days other than dosing Calcium Ascorbate. I'm all about developing new methods in reefkeeping. However, as with trying anything new, we need to exercise caution and take things slow.