Prepare 1/4 cup of Ruby Red Grapefruit (1) juice.
Add the ruby red grapefruit juice, 3 tablespooons of Lime (1) juice, Agave Nectar (1 tablespoon), Silver Tequila (1.5 fluid ounce) and Cointreau (1 fluid ounce) into a shaker.
Cover and shake vigorously over ice.
Slice 1/4 inch off of each end of the Lime (to taste) cut it in half, lengthwise. Set one of the halves cut side-down on the cutting board, slice it at an angle, lengthwise to make lime wedges. Run a lime wedge around the rim of a glass and rim with Sea Salt (to taste). Add ice to your glass and strain your drink into your glass. Garnish with a Lime Wedge and cheers with a friend.