- The next day, get your cup out of the frige. Your chia seeds should be blown up in size and totally gelatinous. Your water should now be a thick gel. - Mix 1 cup of your chia seed gel with 1 cup of the juice of your choice and mix well.hat you'll need. - 1 cup of the juice of your choice. - 1 cup water. - 3 TB raw organic chia seeds. Directions. - Warm your water, put in a cup and add your 3 TB of chia seeds. Stir well till the chia seeds are evenly dispersed and start to swell. Cover and put cup in the refrigerator. Let sit overnight.