I began a yeast starter two days ago, a Wyeast British Ale yeast. I created a one quart starter no problem. Today, I added another quart of starter wort to bump up the yeast count when I realized the water I was pouring in was sloshing over the side of the pot on it's way to the funnel, and it had just been in a non-sanitized ice bath. (Next time I'll use some Iodophor solution in the ice bath).
So I figured, RDWHAHB. And I definitely felt better. But I'm curious, will I be able to tell if the yeast starter is bad before I pitch? I plan on brewing Sunday but I'll hold off if the starter is bad. What sort of signs will I have that I have ruined my starter?