Prepare home canning jars and lids. Wash cucumbers and trim ends. Cut into halves or quarters, lengthwise. Combine water, vinegar and salt; bring to boil. Pack cucumbers into hot jars, leaving 1/4-inch headspace. Add 2 heads of dill or 1/4 cup dill seed, 1/2 teaspoon mustard seed, 2 peppercorns and 1 chopped garlic clove to each jar. Carefully pour hot liquid over cucumbers, leaving 1/4-inch headspace. Remove air bubbles with nonmetallic spatula. Adjust caps. Process pints 15 minutes in boiling water bath canner.Yields 6 to 8 pints.