But if the detergent is poor quality, then you will have to dip your wand 8 times, which will lead to an increase in detergent consumption.
About how to determine the quality of the detergent, you can read on the website (Check the properties of the bubble show detergent formula).
Moreover, a good quality detergent is cheaper. We are not so much interested in the consumption of the detergent itself, but in how much money we will spend on its acquisition.
For example, if you use the lower tray, the desk, the glowing desk (Props, glowing table), they all require a decent amount of detergent. And if, let's say, you just have a bottom tray and a small plate, in which you dip two wands, then, of course, less detergent will be spent.
About the types of props for bubble shows, you can read on the website (List of props for the bubble show).
Also, if you take a photo inside a bubble, you will have to bubble place a person not once, but three or four times, in order to get good shots. People make faces, sometimes they fear bubbles. Sometimes they are drunk. Anything can happen.