I always have a few (5) pens inked up and ready to go. There is no official rotation, just pens I happen to have filled with ink for one reason or another. These are those pen and ink pairings.
White Sailor Professional Gear Slim (Fine) filled with Noodler's Ottoman Rose for one year. Refilled 5 times 2 months ago .
Kyanite Blue TWSBI Vac 700R (Extra fine) filled with Noodler's Ottoman Azure for about 4 months.
Green TWSBI Eco (Extra Fine) filled with Wearingeul Call of the Cthulhu for 3 months.
Sky Blue TWSBI Eco (Extra Fine) filled with Noodler's Texas Sidewinder for 3 weeks.
5 inked up pens