SODIUM BICARBONATE / BAKING SODA: PESTICIDE RESIDUE CLEANER! 500G.Sodium bicarbonate aka baking soda has many more uses than just to make your muffins raise. It is a mild alkaline buffer, a gentle abrasive, an odor neutralizer, and effervescent agent, etc. SOLD IN BULK (500g), PACKED IN A KRAFT BAG for frequent use.*****We use sodium bicarbonate to soak our fruits and vegetables to remove pesticide residues as it is said to be one of the most effective substance to remove pesticide residues.Expire date / 2021