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Mighty soap bubbles recipe

I found this soap recipe on a French site (Grenoble university) and it worked. Here it is in short and in English. You need water, sugar, glycerin if possible, dish concentrated liquid soap (such as Dawn). Start in a plastic bowl (never a metal bowl) with 20% water, pure is better (like battery water) but not necessary. Add 5% sugar and mix slowly to avoid incorporating air. Add 20% liquid soap and mix again slowly. Add 10% glycerin mix again and finally add about 45% water, mix slowly. Let it sit for a while. I make long bubbles, starting with a circle cut in a paper plate and dragging the plate from left to right in front of me. You can do better using a rope or a hoop). Just be patient! These bubbles can be so big that you can blow a bubble around an entire kid. The trouble is not with the soap solution, frankly, it is to find a large enough container for your solution and hoop!