You will never drink the jug junk again:
1/2 cup fresh squeezed lime juice, or, bottled Nellie and Joes Famous Key Lime Juice
1 cup Cointreau or Orange Patron, Triple Sec also works but is not as good
1 cup Tequila
1 cup Rose's lime juice
1 cup water.
Mix. Serve over ice.
Recipe may be quadrupled which is highly recommended and often necessary. Enjoy!