Blue...

I had four ideas for this. I took pictures for three of them, one I waited all day to get - but the conditions I wanted did not arise. Finally I tried this one, which is the best out of all my ideas I think. Took 40 pictures today - this was about 38...

Submission: Blue

Spent ages playing around with blue food colouring and water, and in the end it was the first picture I took that I liked the best.