I find that the new Acrylic I is are a great way to add marks and drips to my dry abstracts. The consistency of the ink is perfect to move around on the canvas. In the video above I am using the dropper that comes with the ink. I also love to use very fine, long bristled brushes. They make these great fine lines. Because the pigment ratio to fluid is fairly high this ink works beautifully when sprayed with water.
This is my favorite brand to use, but there are a number of really great choices on the market today.
SANNA Fine Art