Refurbished Fermentation & More — 40 Deals

40 open-box and refurbished Fermentation & More deals are live for shoppers in the US right now, with discounts averaging 23% off retail. Prices range from $8 to $194, and every listing shows the seller's condition grade, current price, savings versus list price and stock status — so you can compare before you buy. Top brands on sale include MENGBEI, MQUPIN, Fermtech and MQFORU. Inventory syncs from Amazon and other partner stores throughout the day; open-box stock is usually one-of-a-kind, so the best deals sell out fast.

40 live US listings.

USA

BLUBYEES

BLUBYEES Digital Kombucha Heating Wrap with Precise Temperature Control and Timer Function - Kombucha Starter Kit, the Ideal Fermentation Heating Pad for Kombucha and Sourdough

$17⁴⁰

NutriChef Stainless Steel Electric Wine Aerator - Pocket and Travel Bottle Tap Aerating Dispenser Pump Set w/Rechargeable Battery, Accessories - Air Decanter Diffuser for Red and White Wine

$17⁹⁵

Stainless Steel Fermenter, 14 Gallon Total Capacity – Durable Wine, Beer, Mead, Kombucha Fermenter & Kettle, Ideal for 10 Gallon Batches – Fermentation Bucket & Jar for Home & Craft Brewers

$175⁰⁵

Master Fermentation Kit for Wide Mouth Mason Jar by The Amish Chef - Pickle Kit, Kimchi, Sauerkraut Making Kit - Fermentation Airlock Lids

$39⁰⁰

30 Liter 6 Gallon Conical Fermenter with Bottle Filler and Mash Paddle, 304 Stainless Steel Fermentation Tank for Homebrew Carboy. Wine Beer Kombucha Wine Making; Home Brewing Equipment

$193⁴²

SourKeeper, Larger 2-in-1 Sourdough Starter Warmer Pro - 2026 Upgrade Larger Heating Plate, Dough Temp Probe, 1°F Control (70–110°F), 24H Timer, Real-Time Monitoring, for Beginner Bakers Pro-WHT

$31⁶⁴

4-Pack Mason Jar Fermentation Kit(Jars Included) Four 32oz Fermentation Jars with Plastic Fermenting Lids, Airlocks, Silicone Rings & Grommets, and Glass Weights for Easy Fermenting & Storage

$39⁵⁹

$12⁹⁹

Kmise Sourdough Starter Jar, 34 Oz DIY Pro Glass Sourdough Starter Jar Kit With Thermometer, Silicone Spatula, Blackboard Stickers and Cutter

$9⁴⁹

Fermentation Kit Accessories Set for Wide Mouth Jars, Includes 4 Pcs Plastic Lids with Airlocks, 4 Clear Glass Weights, Brush, Wooden Blending Stick, 7 in Stainless Tongs for Home Fermenting

$20⁹⁵

Sourdough Starter Warmer Mat, Precise 1°F Thermostat 70–100°F, 12H Timer Auto Shut-Off, Fermentation Heating Mat for Bread Proofing, Yogurt Making & Home Baking

$12¹⁴

Sourdough Starter Warmer, Precise 1°F Thermostat Control (70-100°F) Sourdough Warming Mat, Smart Warming On/Off, 12-Hour Timer Sourdough Warmer(Wood Grain)

$19⁹⁴

Fermtech Fermentation Heating Belt | Electric Brew Beer Wine Kombucha Warming Belt For Carboy Jug Pail Bucket 3D Printer Raisin Heating Vat Pefect Prints Every Time.

$11⁹⁶

Sourdough Starter Warmer, Digital Temperature Control Heating Mat for Home Baking with 24H Timer & 1°F Precision, Smart Memory Function, Fits Jars Up to 40 oz, Ideal Baking Gift (Black)

$10⁷⁴

Sourdough Starter Warmer with Glass Dome, Precise 1°F Thermostat Control (70-100°F), Sourdough Warmer and Dome for Home Baking,24H Timer Auto Warming On/Off Sourdough Warming Mat（Black）

$31¹³

Sourdough Starter Jar Warming Mat, Sourdough Jar Heater for All Seasons, 3 Heat Settings

$14²⁵

YARWELL 1 Gal Fermentation Kit, Jars, Weights & Airlocks, 2 Pack

$44⁵⁴

Sourdough Starter Warmer Mat, Precise 1°F Thermostat Control (70-120°F) Sourdough Heating Mat, Warmer for Sourdough Starter, 0-24h Timer, Auto On/Off, Memory Function (Black)

$9¹¹

Sourdough Starter Warmer Mat with Glass Dome Precise 1°F Thermostat Control

$32³³

Rakovar 57oz Sourdough Starter Jar, Extra Large Capacity Sourdough Jar

$15⁸³

Sourdough Starter Warmer with Temperature Display,Sourdough Warming Mats 100℉ Electric Heating 12 Hours Timing Function Sourdough Heating Mat Bread for Baking Supplies Kitchen Bakers (Black)

$15⁹⁹

Sourdough Starter Warmer Mat - 24H Timer - Precise 1°F Thermostat Control (70-110°F) - Smart Memory Warming On/Off - Warming Heating Pad for Sour Dough Starter (Black)

$22⁰⁹

Sourdough Starter Warmer Mat - 24H Timer - Precise 1°F Thermostat Control (70-110°F) - Smart Memory Warming On/Off - Warming Heating Pad for Sour Dough Starter (Wood Grain)

$23⁴⁶

Hemlock Home Brewing Kombucha Heating Wrap - Fermentation Heater Mat Pad with Temperature Control

$24⁴⁸

Fermentation & More open-box FAQ

How much can I save on open-box Fermentation & More?

Discounts on Fermentation & More at OpenBoxFox currently average 23% off retail across 40 live listings, with prices from $8 to $194. Savings are measured against the manufacturer's list price.

Are open-box and refurbished Fermentation & More safe to buy?

Yes — every listing shows the seller's condition grade (from open-box "Like New" to certified refurbished) before you buy. You purchase directly from the seller, such as Amazon, and that seller's standard return policy applies to your order.

Which Fermentation & More brands are on sale open-box right now?

The most-listed brands in Fermentation & More at the moment are MENGBEI, MQUPIN, Fermtech, MQFORU and Yendse. New open-box inventory arrives daily, so brand availability changes often.

How often are Fermentation & More deals updated?

OpenBoxFox syncs Fermentation & More inventory from partner stores throughout the day. Sold-out listings are removed automatically and new deals appear shortly after we find them.

Shop more: Refurbished Home & Kitchen · Refurbished Kitchen & Dining · Refurbished Home Brewing & Wine Making