i read robo's link & he's heating his syrup to 270 deg. he's also boiling the water before adding the sugar. that contradicts some other recipes but seems to be working for him. so here we go again-ask 10 beekeepers & get 14 answers.
disclaimer-I'm not criticizing anyone, just repeating what I've read.
Welcome to the life of being a BeeK! :-D
Not sure what the difference is, maybe there's a difference concerning 1:1 syrup and Candy. I found several links with recipes...This first one warns against bringing it to a boil when talking about 1:1 syrup, yet references 238°F for making Bee candy. LINK to BeeKeeping Feeding Recipes!
Here's another site that recommends 234°F for Candy....LINK!
234°, 238°, 270°....who knows, but obviously boiling is intended when making candy and the suggestion to avoid boiling that I mentioned applies to making 1:1 syrup. Sorry if I confused the issue.
Good Luck! :)