* To use the reed pen as a writing instrument, it must be filled with [[black ink]] or any colour of [[dye]]. It can hold 0.008 kg total. All 0.008 kg is used up when the pen is used for writing, even if the [[Papyrus sheet#Inscribing|scribing]] action is aborted prematurely.
* The quality of the pen affects the number of letters that can be written on a sheet of [[papyrus]] is 121 + (pen QL * 2)or [[paper sheet]]. For details, rounded to the nearest full numbersee [[Papyrus sheet#Inscribing|inscribing]].
* The reed pen is also used for writing [[recipes]] and [[almanac|almanac reports]]. In these cases, the pen and dye/ink quality do not matter, as the whole document will be written regardless of quality.