The most common and most likely answer to this crossword clue is the 6 letter word INKPOT
I've seen this crossword clue in Financial Times
I
N
K
P
O
T
More clues leading to the result INKPOT
- Container for fluid, one not kept regularly inside
- Container of fluid could brew pint, OK?
- Bad person, no saint, that may offer something for the writer
- Writer might use this current fund, when banking royalty?
- Contemptible person, no saint, that may assist writer
- Topper-up for old writer, having drunk pint OK
- 5 One close to Blunkett’s heart taking marijuana as a writing aid
- Alternative to pink fluid container
- Place for old writers to take a dip
- One could take a dip here in Cambodia with Kitty
Buddy explains!

The straight part
We know that "Writer might use this" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case writer might use this = inkpot.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does INKPOT mean?
INKPOT noun- A pot for holding ink; inkwell.