Click to expand Tap to zoom Vintners Harvest Citric Acid 1kg by Vintners | Save Liquid error (product-badge line 32): -Infinity% $19.99 | / 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Citric Acid is used as a final rinse after sterilising equipment to adjust the pH of the water used.