Five Star Kettle Defoamer, 2oz Share WhatsApp Deel X Pin it Messenger Email Product form A Concentrated Defoamer for Microbrewery Kettles & Fermenters. Read more Out of stock $6.99 Total add-ons: Quantity Out of stock This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted.