Vacuum Sealing Starter Why is my ginger beer starter culture making a vacuum?
In a demijohn I have water, lemon juice, powdered ginger and sugar to make a starter culture for ginger beer. The demijohn is sealed with a rubber bung and water trap. I expected the water in the trap to move away from the mixture (due to CO2) but it is actually sucking the water towards the mixture.
Temperature change.
Your starter could have cooled down since you sealed it up. As the liquid contracted (from getting cold) it creates a mild vaccuum.
Market: Scientists, engineers, and graduate students in vacuum technology. This volume presents numerous techniques developed in the early 1960s for the efficient construction of reliable vacuum seals, and provides critical insights into the design, construction, and assembly of vacuum systems. Extensively researched, this work covers a variety of sealing techniques and design concepts that remain as technologically relevant now as they were nearly three decades ago. Author: Roth, Alexander/ Roth, A. Series Title: American Vacuum Society Classics Binding Type: Paperback Number of Pages: 845 Publication Date: 1997/05/27 Language: English Dimensions: 9.19 x 6.35 x 1.72 inches
The Oliso Sports Vacuum Sealer Starter Kit (PRO-VS97A) is the perfect way to get you started preserving food for maximum freshness and freezer life. Whether you like to buy produce and meat in bulk to save and cook at a later time, or if you want to freeze cooked meals to serve for your family throughout the week, this kit has what you need to get started. This is a great way to help you save on groceries as well as a time saver for meal preparations when you're cooking for a hungry group on a tight schedule. Fully automatic and very easy to use, simply insert the bag and watch it seal. The sealer uses Oliso's new patented dual seal freshkeeper technology with two sealing options, moist and dry and has a progress indicator. The vacuum is compatible with all Oliso vacuum sealer accessories and the kit comes with a great variety of accessories to get you started: One (1) water-resistant carrying case, one (1) 12 V power adapter, one (1) flexi tube, one (1) zip disc, one (1) medium pantry bag, two (2) quart vac-snap bags, one (1) gallon vac-snap bag. Starter Kit: Oliso PRO-VS97A vacuum sealer comes with carrying case and enough accessories to get you started Compatible: Can be used with all Oliso vacuum accessories Easy to Use: The vacuum sealer is fully automatic and has a no-touch operation process and progress indicator
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FoodSaver Vacuum Sealing System with SmartSeal Technology is a handsfree vacuum packaging and marinating dynamo in a spacesaving upright design. Protect and preserve moist dry and delicate food safely in canisters or bags. The V3440 features a builtin roll holder cutter and bag opener liquid detection to prevent spills and a marinate mode that infuses food with flavor in just minutes. HandsFree Operation Automatic Bag Detection . 2 Vacuum Speeds 2 Sealing Levels Great for Moist and Dry Foods. Auto Liquid Detection. CrushFree Instant Seal Convenient Integrated Bag Opener. Spacesaving Upright Design
Introducing the innovative and easy to use, FoodSaver® Vacuum Sealing System with Exclusive SmartSeal™ Technology. Simply insert a FoodSaver® bag and the machine does the rest! The Automatic Bag Sensing feature takes all the guesswork out of Vacuum Sealing. This patented technology takes air out and keeps food fresh up to five times longer than traditional storage methods! Plus the new vertical profile keeps your kitchen counter clutter-free! Features Include: Automatic Bag Detection Vacuums & seals automatically! Insert open end of bag into a channel and the machine will sense and grasp the bag, vacuum, seal, and shutoff automatically! Retractable Accessory Hose can be used with all FoodSaver® Brand Accessories like canisters, bottle stoppers and universal lids. Automatic Liquid Detection, senses food type; moist or dry- and automatically adjusts seal level for a secure, reliable, air tight seal Marinate Mode allows for rapid flavor infusion of meats and vegetables for quick and flavorful meal preparation. Marinate in minutes – not hours! Vacuum Progress Display tracks progress of the vacuum and sealing process. Provides a level of confidence that foods are being properly preserved. Integrated Bag Opener quickly and conveniently opens sealed bags with ease! Tray Full LED alerts you when the antibacterial drip tray requires cleaning. Full Size Antibacterial Drip Tray – fits any size FoodSaver Bag for maximum versatility. Catches overflow liquids and helps inhibit growth of bacteria. Easily removable and dishwasher safe. Two Speed Settings – Gentle vacuum speed for optimum control when sealing delicate crushable foods CrushFree™ Instant Seal – Immediately stops the vacuum process to prevent crushing delicate foods like breads, cookies and pastries. Adjustable Food Settings – Manually Changes seal level for type of food – moist or dry, for a secure, reliable, air tight seal Extra-wide Sealing Strip with Non-stick Coating – Provides extra secure, airtight seal on FoodSaver® Bags. Also ideal for resealing potato chip bags, brown sugar bags, pasta bags, cereal bags, vegetable bags and other items in original store packages Built-in Roll Holder and Cutter – Simplifies making custom-sized bags of any length, to accommodate whatever food you need to preserve. Create healthy, serving-size portioned meals and snacks Canister Mode – Achieves the best vacuum on canisters and accessories Set Includes: One 11 in. x 10 ft. Heat Seal Roll Three Pre-Made Quart size Heat Seal Bags Two Pre-Made Gallon size Heat Seal Bags Over 100 in coupons for FoodSaver® Bags, Rolls, Canisters & Accessories when you register your FoodSaver Quick Start Guide FoodSaver Reference Manual
- Designed to make the bag airtight and keep the food fresh longer - Can be used for sealing any plastic bags - Creative stapler design with a snap locker - Tight & firm sealing for long-lasting freshness - Convenient and easy to use, press and lock
The FoodSaver V2840 is simpler, sleeker and smarter, taking the favorite FoodSaver featuers and making them better than ever. The innovative design preserves and even marinates food in minutes, then flips up to save space when not in use. Vacuum-sealing appliance keeps food fresh longer Adjustable food settings allows user to change the seal level for the type of food - moist or dry Store wet, dry and delicate foods safely in airtight bags Flips up to conserve counter space when not in use Built-in roll holder, cutter CrushFree control helps protect and store delicate foods Two vacuum speeds Two seal levels PulseVac setting Canister mode Easy-clean Antibacterial Drip Tray Includes: Two (2) 11-inch x 10-foot rolls and accessory hose with storage clipsStainless steel finish to match any kitchen
Material: 4-ply paper, cotton blend, electrostatic cottonDimensions: 2.875 inches high x 14.875 inches long x 7.125 inches wide Weight: 2 poundsIncludes: Sealing strip for X series vacuum with 10 filter bags, exhaust filter, electrostatic microfilter and sealing strip Manufacturer: Stein & Co. GmbHModel number: 5828ER
FOODSAVER FreshSaver Handheld Vacuum Sealing System... The FoodSaver FreshSaver Handheld Vacuum Sealing system is great for keeping your expensive deli meat and cheeses and other everyday refrigerated foods fresh longer. It's compact and easy to use. It's so small it can fit in a drawer, but with its sleek look and recharger base, it looks great on your countertop. The FoodSaver FreshSaver system works with the new FoodSaver Vacuum Zipper Bags and FoodSaver Deli Containers.
Deni 1640 Freshlock three-pack replacement rolls for all deni vacuum sealing systems preserve meat and vegetables in the fridge or freezer. Lock in freshness, protect against freezer burn with these superior-grade polyethylene rolls. Use these bags with the Deni vacuum sealer systems.Pack of three (3)Vacuum sealer replacement roll bag, boilable, freezable, microwave safeDimensions: Each roll is 11 inches wide x 33 inches longFor use with all Deni Freshlock vacuum sealersIdeal for extending life of frozen and refrigerated foodsIncludes three 11-inch-by-33-foot rolls of polyethelyne plasticEach roll makes approximately 66 six-inch bagsSafe for microwave or boil-in-bag cooking
December 30th, 2009 
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