Combine lemon juice, zest, oil, dill and garlic in a large resealable bag. Add salmon and turn to coat. Refrigerate for 2 hours. Preheat grill. Remove salmon from bag and place on hot grill. Brush salmon with marinade from the ziptop bag. Grill salmon for about 4 to 5 minutes per side. Remove when done. Salmon should be light in color and flake easily through the thickest part.
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