does an old GR / FR drum need to be cleaned before use?

Hello, This is my first post here :)
Ill try to be as direct and specific as i can,

I have an GR/FR green drum which i have acquired, It seems it was stored in a garage for a long period of time, i'm not sure how long.
However, there has been no ink container left in the drum, so i fear that maybe some of the ink may have dried over time causing problems in the future?

Is this something i should be worried about? i havent tried using it yet, but i dont want to break it before i get the chance.

Thanks for any response