depends on what you feel the most comfortable saying

[WilliamTaft]

(The speaker says that there are two pronunciations of the word "grocery.")

Both of these options are correct and it just depends on what you feel the most comfortable saying.
...
And it's the most common expression that you're going to hear in the US when we talk about a store where you buy food.

Source: Grocery Store Vocabulary shop in English, YouTube.

Does the bolded clause sound natural and correct?

 

[emsr2d2]

Please turn the source information into a hyperlink to the relevant video. I'm intrigued to know what this person claims the two pronunciations are.

 

[SoothingDave]

Grow-sir-ree
Grow-shree

I will say the latter.

 

[probus]

I have added the hyperlink to the Youtube video @emsr2d2.