Fla. Stat. § 905.10
The clerk shall prepare a list of the names of the grand jurors. After the jury is impaneled, the following oath shall be administered to the jurors:
"You, as grand jurors for County do solemnly swear (or affirm) that you will diligently inquire into all matters put in your charge and you will make true presentments of your findings; unless ordered by a court, you will not disclose the nature or substance of the deliberations of the grand jury, the nature or substance of any testimony or other evidence, the vote of the grand jury, or the statements of the state attorney; you shall not make a presentment against a person because of envy, hatred, or malice, and you shall not fail to make a presentment against a person because of love, fear, or reward. So help you God."
Fla. Stat. § 905.10