Yes if you have espresso grind it's way too fine, Moka does have some pressure but it's around 1.5 bars. Moka pots are usually used with drip / pourover grinds.

Yes if you have espresso grind it's way too fine, Moka does have some pressure but it's around 1.5 bars. Moka pots are usually used with drip / pourover grinds. Maybe a pair of stops below, but not espresso-fine. With an espresso grind, the moka pot will struggle to push water through and you'll have a very bitter coffee because it'll be way over-extracted. Is that what you experience?