The cucamelons will be pickled and ready to eat. Once opened, store in the refrigerator. They will keep up to 3 months, but most likely won't last nearly that long!
How do you store cucamelons?
Store. Short Term: Keep in a paper or breathable plastic bag in your fridge's crisper drawer for 5-7 days. Long Term: Fresh cucamelons can't be stored for a long period of time, but they will keep for many months when pickled.
Do you refrigerate cucamelon?
Pour over cucamelons in jars, filling the jar to within 1/4-inch of the top (if necessary you can top it off with a bit more water). Secure lids and place in the refrigerator for at least 24 hours.