Hands up who remembers doing this experiment back in junior school. I remember it clearly, and it was no where near as awesome as this with all the colours. (I remember the teacher using blue ink that came from the school supply room!)
And just cause I can… some more rainbow flower prettyness…
(Image Source: Tumblr)
Image Source: Flikr
Hahaha i still love doing this! Particularly with white roses as a gift