Keywords: bubble colours colors flash round circle black background You can get really colourful bubbles like this if you add glycerin to your soapy water solution. I got the glycerin at a pharmacy for 2€, that makes this a really cool and inexpensive little photo project for the weekend! You can get really colourful bubbles like this if you add glycerin to your soapy water solution. I got the glycerin at a pharmacy for 2€, that makes this a really cool and inexpensive little photo project for the weekend! |