1:1 - I often times "cheat" by poring a 5lb bag of sugar into a 1 gallon plastic milk jug and fill it with hot tap water. I think the actual measure for 1:1 is closer to 7 pounds but my bees haven't complained.
My limited experience is that 1:1 stimulates more wax production than 2:1. (Could be wrong. Don't mind being corrected by those who know) Based on that idea, I would feed 1:1 if I needed them to draw comb and they had a good population. However, if the population was low and they already had drawn comb, I would consider feeding closer to 2:1. It takes less work to dehydrate, so should be easier to store, allowing more workers to do other important tasks.
A forum community dedicated to beekeeping, bee owners and enthusiasts. Come join the discussion about breeding, honey production, health, behavior, hives, housing, adopting, care, classifieds, and more!