{"product_id":"foam-stopper-46-60mm","title":"Foam Stopper 46-60mm","description":"\u003cbr\u003e\r\u003cp\u003eBreathable foam stoppers will withstand boiling or autoclaving temperatures, making them ideal for use in preparing a yeast starter. The honeycomb structure of the foam stoppers will act as a filter for any airborne bacteria or wild yeast that might enter the flask. That's important because a lot of air is sucked into the flask while it is cooling. You can also leave the stoppers on the flask instead of a fermentation lock. Some people use foam stoppers to replace fermentation locks in their carboys, too.\u003c\/p\u003e\r\u003cp\u003eThe large foam stoppers are 46-60 mm wide and fit our 2000 and 5000 ml borosilicate glass flasks.\u003c\/p\u003e","brand":"Northern Brewer","offers":[{"title":"Default Title","offer_id":35321074974872,"sku":"7098","price":1.13,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/5811\/6248\/products\/foam-stopper.jpg?v=1595086071","url":"https:\/\/supergoop532e-com.myshopify.com\/products\/foam-stopper-46-60mm","provider":"supergoop532e.com","version":"1.0","type":"link"}