Scrub cucumbers and trim off ends and cut into chunks.In batches in a food processor, pulse cucumbers and onions 8 to 10 times to cut into â…› to ¼" pieces.In a large bowl, sprinkle cucumbers with salt and turmeric.Stir in 1 cup cold water and let stand for 1 hour, stirring occasionally.Drain in large sieve.Rinse under cold water and drain again, pressing out moisture.On a large saucepan bring vinegar, sugar, garlic, dill seeds and mustard seeds to a boil.Add cucumber mixture, return to a boil, stirring often.Reduce heat and simmer uncovered, stirring occasionally, until thickened, about 30 minutes.Ladle into half pint jars leaving a ½" head space.Process jars in a boiling water bath for 10 minutes.Adjust time according to altitude.Makes About: 3 pints