I got the ink bottles in mail few days back. Today I found the time to fill up a locally famous cheap eyedropper fountain pen (Camlin).
I was surprised to see how Dark the color was and also the free flow of the ink. This is a regular fountain pen, and yet the performance was great. It was really wet and dark.
No visible feathering either.
When I took my waterbrush and applied a little wash, the ink did spread a very tiny little. and even after I waited for few minutes, there was still a very tiny bit of a spread.
I guess this is behaving somewhat like the Noodlers ink, where the ink that is in contact with the paper dries out completely but the ones that are on the surface somehow doesn't dry.
However when I left it to dry few hours, the ink became perfectly dry.
But this is certainly a very acceptable deep dark ink! and if one is ready to wait , then it is good for color washes on top of it.
Will do some sketches and post the results when time permits.