After my first post, I thought, golly, I forgot to mention that the NA2 was diluted from the 20% stock 1 to 7 with distilled water.

I do use the NA2 but very diluted. Seemed to work well for me.

In the post about 6-0-3-3-1, are we talking about FO#1, FO#2, NA2, Pt and Pd?