First off, let me just say these are very early attempts at this, long way to go, but still lots of fun. The possibilities are almost endless and with some more sophisticated equipment can be down right amazing.
This is plain water in a clear vessel looking straight across
Changed the white balance to give it the blue cast and used red dye in the drop water
Blue dye in the vessel and red in the drop
More to come …… that’s assuming I can get better at this!