What's your day like, Cathie. O.25 on a very similar amps yesterday gave you some early blues and then she flattened out. Depends on your comfort level and your resposibilities today. 0.25 looks fine -'generally in good ranges. 0.5 might push her a little lower into the blues, but you'd want to be ready to intervene with food if you need to.
What does your gut say?