Today's ink is Birmingham Enterprise Tower Aluminum. I purchased my sample of ink from Birmingham Pen Co. The ink is available in 5ml samples and 30ml bottles.
Aluminum is a dusty blue, not quite grey. When wet, the ink appears darker and lightens as it dries.
In large swabs and ink drops there is a some black sheen, but it does not show up in writing.
Let's take a look at how the ink behaves on fountain pen friendly papers: Rhodia, Tomoe River, and Leuchtturm.
Dry time: 30 seconds
Water resistance: Medium-some of the ink washed away but you might still be able to read it.
Feathering: Medium-mostly on Rhodia, but on Leuchtturm in the flex nib as well.
Show through: Medium
I used a Pelikan 400N and a medium Pelikan M400 White Tortoise on Tomoe River paper. The ink had a wetter flow.
Overall, I wouldn't recommend this ink on Rhodia due to the feathering, but give it a try, you might love it.
Disclaimer: I purchased this ink myself. All photos and opinions are my own. There are no affiliate links on this page.