: Stocks international brands like Special Ingredients. They offer both Food Grade (E331) for cooking and Laboratory Grade for scientific experiments.
If you need it immediately and have a basic kitchen, you can make a liquid version by reacting and Citric Acid (which is much easier to find in Algerian grocery stores as "Acide Citrique"): Mix roughly 1 part baking soda with 0.75 parts citric acid . Add a small amount of water. where to buy sodium citrate near me
If you cannot find it locally, online platforms offer various grades: : Stocks international brands like Special Ingredients