Add water, white vinegar, and Kosher salt to stainless steel saucepan, heat until salt has completely dissolved and the brine is warm to the touch.
In quart size mason jar add pickling spice.
Pack jar tightly with pickling cucumbers, dill, onions, and jalapeno peppers.
Add warmed brine to jar, remove air bubbles, add additional brine if needed.
Apply lid and ring, place into refrigerator.
