WHATS THE BEST TIME TO GIVE THE NEWBORN 1MONTH GRIPE WATER ?

I WAS WONDERING WHEN CAN I GIVE THE BABY GRIPE WATER . DO I GIVE IT WHEN SHE STARTS CRYING OR WHEN HER STOMACH IS ROCK HARD, WHEN SHE LOOKS LIKE SHES CONSTIPATED (BUT NOT) WHEN SHE TRUNS SO RED TRYING TO PUSH OUT GAS??