Add the blueberries to the blender. Pour 3/4 cup of warm water into the blender. Place the lid on the water and berry mixture tightly.
Blend the berries and water on low for 10-15 seconds. Let the mixture rest in the blender for 5-10 minutes.
Remove the lid. Pour out a little bit of the mixture. You will see seeds on the bottom and pulp on top. Pour out only a little of the pulp.
Add a cup of water and let the berry and water mixture sit for 5-10 minutes.
Pour off a little more of the pulp very slowly. Add 1/2 cup of water to the blender. Let the mixture rest for again 5-10 minutes. Continue the process until the blender contents are just seeds and water.
Drain off the water from the blender. Remove the blueberry seeds from Blender and let them dry on paper towels.