Do I need to feed more often?

Here is my Debra starter of rye and clementine juice on Day 3.  It doubled  2 hours after refeeding

Image

stir-down and transfer to roomier quarters.  It has not risen further and has not collapsed 5 hours after refeeding.

 

I have been feeding once every 24 hours, do I need to feed more often?  And will using some durum in my feeding bring on sourness sooner?

 

Image