YOU SAID:

I have a blue pool that is 6 feet deep

INTO JAPANESE

私は6フィートの深さがある青いプールを持っています

BACK INTO ENGLISH

I have a blue pool that is six feet deep.

INTO JAPANESE

私は6フィートの深さがある青いプールを持っています。

BACK INTO ENGLISH

I have a blue pool that is six feet deep.