Every time Robert Oster releases a new ink, which is pretty often, I get excited to give it a try. Today’s new Robert Oster ink is Carbon Fire. I purchased my bottle of ink from Pen Chalet.
Carbon Fire is a lovely dark blue.
In large swabs there is just a little bit of dark pink sheen.
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: Low
Show through: Medium
On Staples 24 lb copy paper there was just a little bit of feathering, and some bleeding in the flex nib.
Overall, it’s another great blue ink from Robert Oster. My only issue is that it’s pretty close (1 shade darker) to Robert Oster School Blue, so I don’t think I need both.
Disclaimer: I used my affiliate credit from Pen Chalet to purchase a bottle of this ink for the purpose of this review. All photos and opinions are my own. This page does contain affiliate links, but is not sponsored in any way.