Juice lemons and combine with cold water and sugar. Stir until dissolved.
Blend mixture and slowly add sodium alginate while blending on low. Continue blending 1 minute.
Let sit 30–45 minutes to remove bubbles.
Pass through fine mesh sieve into The Spherificator®.
Dissolve calcium chloride in 500mL ice-cold water.
Drip mixture from 5 inches height into bath. Cure for 45 seconds.
Rinse quickly and chill. Use within 12 hours for freshest taste.
