Did I successfully make WATERMELON popping boba?

Did I successfully make WATERMELON popping boba? #summervibes
Directions:
1. Carve out your watermelon to create a bowl and set the flesh aside.
2. Add 1/2 tbsp sodium alginate per every 3 cups watermelon and blend together.
3. In a bowl, add 2 tbsp calcium lactate to 1 quart warm water.
4. Using a dropper, take watermelon puree and place small amounts in a small rounded measuring spoon, then dip into calcium water mixture to release from spoon. Watermelon puree should clump immediately and slowly form into balls. Be careful not to stretch it out when releasing or it will stay that way!
5. after a few minutes, scoop boba up with a strainer and rinse twice in a bowl of cold water, and place inside your carved out watermelon rind.
6. When the watermelon bowl is full, serve and enjoy!! 😊