Overview Reviews Product Description Citric Acid Use citric acid during the acid wash for your reverse osmosis machine. 1.5 lb Jar. Material Safety Data Sheet Product Videos Custom Field Auton 1139 Shoot Shot Product Reviews Write a Review Write a Review × Citric Acid Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *