Serve Ed McFarland's pickle mix alongside his recipe for lobster rolls for the perfect summer meal.
Place cucumbers in a large bowl. Cut 1 pepper in half and place in the bowl along with the 3 remaining peppers, pickling salt, 1/2 cup sugar, and 3 cups water. Toss to combine; cover and let stand overnight at room temperature.
Drain cucumber mixture; rinse under cold water. In another large bowl, mix together remaining 1/2 cup sugar, vinegar, peppercorns, celery seeds, coriander, allspice, and mustard seeds. Add cucumbers and peppers; toss to combine. Let stand at room temperature at least 3 hours before using.