Below is a pic of some white oak, sanded to 150 grit, then rigorously blown clean with compressed air. The transtint dye with DNA (1:200 mixture, ~half normal strength) shows elliptical artifacts around the open pores. The colors in the photo aren't accurate, but it shows the problem.
transtint ellipses.jpg
- Anyone have an idea what is causing this?
I have run a bunch of tests with other stains, oils, varnishes... on the same wood and no other product shows these elliptical artifacts.
My guesses that the DNA is interacting with something in the wood.