- In a bowl combine the water, apple cider vinegar, lemon juice and sea salt. - 1 ½ cups water, 4 tbsp. apple cider vinegar, Juice from ½ lemon, 2 tbsp. sea salt 
- Stir until all ingredients are well combined and dissolved. 
- Divide the cucumber, garlic, peppercorn, dill sprigs, and pepper flakes equally between two mason jars. - 1 large cucumber, 4 to 6 garlic cloves, 6 fresh dill sprigs, ½ tsp. red pepper flakes, 2 tsp. whole black peppercorns 
- Pour the water mixture equally between both mason jars until you reach the top. Add more water if needed to fill the jar completely. 
- Cover with lids, shake everything until well combined and refrigerate. 
- Marinate 1 to 2 days, and store 1 to 2 weeks in the fridge.