Cook pasta following instructions on box. Drain and rinse well. Chop spaghetti squash so the strands are no longer than 3/4 inch. Toss together elbows, spaghetti squash, celery, carrots, onion, and eggs. Combine mayo, salt, apple cider vinegar, mustard, Gentle Sweet, garlic powder, and celery salt together. Pour over salad and stir lightly. Refrigerate for 2-4 hours for flavors to combine. 12 - 14 servings.