It only takes about half a day for the cucumbers to taste like pickles. They'll last in your fridge for about a month. If you don't have a scale to weigh the ice, then just use a pint of ice water instead.
Combine in a large pot over medium-high heat:
Cover and bring to a boil, stirring as needed to dissolve sugar and salt. Remove from heat and add:
Add to a large container:
Allow ice to melt, then pour solution over cucumbers, straining through a mesh sieve. Keep refrigerated.
Recipe adapted from AllRecipes