I’ve got a couple of notes on this comparison. 1) Hisoku is an odd ink. It doesn’t work well with dip pens, as you can see below. I also now understand the meaning of a “dry ink”. You can tell how much better flow/wetness there is with The Real Teal. 2) The Real Teal is a old limited edition. So it’s nearly impossible to get a bottle. In my opinion, Hisoku is a fairly decent dupe. When writing with a properly inked pen, you can’t really tell the difference.
Bottle Size: 55ml
Availability: Limited Edition, Discontinued
Price: ~$25 USD
Bottle Size: 40ml
Availability: Readily available
If you have any suggestions for future comparisons, let me know in the comments.