Check the listing for details. POTASSIUM SORBATE - 1 oz.- 55 lbs.- BULK DISCOUNT PRICING!!. Condition: New. Listed at 111.75 USD. Potassium Sorbate (choose size up to 1 lb.) - Food Grade Used for a variety of purposes in the food industry and beyond. For home brewing it can be used to prevent renewed fermentation. Will not stop an active fermentation. Use 3/4 tsp. per gal. when fermentation has ended, then add sugar to taste as needed. PLEASE NOTE: This listing is re-packaged and sealed from Brewcraft bulk. Photo is for point of origin reference. Guarantee and Customer Service: Please do not hesitate to ask any other questions! A happy customer is our goal and as such we will get back to you immediately with answers to your questions. We enjoy maintaining our customer satisfaction so if upon receipt of your item you are not satisfied please let us know so that we can work out a solution. Shipping: Yes we do combine shipping if you purchase multiple items from us, send us a message before you pay and we will send you a modified invoice. Please note that some items may not be combined. Your item will ship carefully packaged the same or the next day!