How to Prepare Calamansi Juice It is easy to make calamansi juice. (second, finally), cut them in the middle crosswise. squeeze the cut calamansi into a glass, (lastly, next), add sugar and water and stir well until sugar dissolves. Now, you can enjoy a nutritious drink. (first, lastly), wash five calamansi fruits. (lastly, third). (next, finally), remove the seeds. to II​