Now we know why Florida Blue is advertised as "washable"

Thanks for the test Roger !

Or if you get it on your $60.00 dress shirt....

Gerry

Each to his own....

This ain't pretty, but the results are clear...

Today's water soak and its results include:

0. Sanford Sharpie Felt Tip Ultra Fine Permanent Black (A control, of sorts)
1. Noodler's Aircorp Blue-Black in Aurora Optima F nib
2. Noodler's Zhivago in Sailor Professional Gear M nib
3. <span style='color:blue'>Noodler's Glacier Blue</span> in Pelikan M250 F nib
4. <span style='color:blue'>Noodler's Gulf Stream Blue</span> in Pelikan M200 F nib
5. <span style='color:blue'>Waterman Florida Blue</span> in Parker 51 F nib (The control ink)

Q-tip swabs of the inks are directly underneath the writing line of each color.

The soaking medium was 8 ounces of water + 2 drops of dish detergent.
Soak time was 12 hours with occasional agitation.

First scan is the paper before the soak. Second scan is after the soak.
The soak covered 40% of the left side of the paper and shows the boundary
where the soaking medium stopped and the small area where the paper's
wicking action produced an interface between the dry paper and the soaked
paper. Interesting because it clearly shows that the color leaching
out of the Aircorp is a turquoise blue whereas the color leaching out of the
Zhivago is green.

Unfortunately, my scan doesn't appear to show the subtle difference between the Aircorp and Zhivago. It's there, trust me.

Within the first minute of soaking the Waterman Florida Blue was gone!

Thanks for sticking it out through the boring stuff, now the results...

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In the vernacular of Bugs..."That's all folks"!