Lemon Juice Recipe for Kidney Stones - At the first symptom of stone pain, mix 2 oz of organic olive oil with 2 oz of organic lemon juice. Drink it straight and follow with a 12 ounce glass of purified water. Wait 30 minutes. Then, squeeze the juice of 1/2 lemon in 12 ounces of purified water, add 1 tablespoon of organic raw apple cider vinegar and drink. Repeat the lemon juice, water and apple cider vinegar recipe every hour until symptoms improve.