I used to use a very light sugar syrup and a few drops (in a quart of liquid) of HBH. Now I just use the HBH and skip the sugar as I didn't like the dried syrup getting on the outside of the hives and attracting ants and I read that sometimes the syrup can dry on the bees' wings before they can get cleaned off successfuly, condeming them to death.
I have also used just plain water in a pinch. I do have my smoker lit and just wafting around the bee yeard, and will use it on a hive, if necessary, particularly when the hive is really full and I am re-stacking the boxes and want to minimize squashing. If I get a sting or too much interest in hands, I spray (or smoke) my own hands and forearms.
Smoke is neither always good or always bad, IMO. I deploy it as needed, but always try to have the smoker already lit unless I'm just doing something very minor like pulling the sticky boards or adding some syrup to the feeder. Once or twice I started in w/o a smoker and really regretted not having it to quell a beginning fuss at the earliest stage.
I don't have it close around the hive I'm working on mostly because I don't like breathing smoke when it's not necessary.
I don't make up more than a quart of spritz-mix at a time and that will last me for a month or more. Light sugar syrup will easily ferment, but I've never had that problem with a simple mix of HBH and water.
Although I am not always successful, I try to be around my bees almost every day doing minor things there. I always wear a jacket and veil because I do not want any stings near my eyes. If I have some protection I can afford to stand still and let the guard bees size me up, which almost never results in a sting the way running or slapping at them will. I think that by me being there a lot they may, in their little bee-brains, become accustomed to my benign intentions and presence and in general they are quite calm. I sometimes nap on a low settee in front of my hives and it seems to me when I have time to do that regularly, the bees are more placid around me, at least for awhile. I've never been stung while napping, even though there are often bees investigating me, walking on my veil and arms, when I wake up. The sound of a busy hive a-buzzing away is the most sleep-inducing noise I know.
I would try the spray w/o sugar and just use a bit of HBH in plain water. That's all you may need.
Enj.