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🍞 Elevate your baking game with the ultimate sourdough starter kit—because your bread deserves the best!
The POLYHNIA Sourdough Starter Jar is a premium 27 oz glass fermentation kit designed for serious bakers. Featuring a wide-mouth jar made of thick, dishwasher-safe glass, it includes temperature stickers, a date-marked feeding band, a silicone spatula, and a breathable cloth cover. This all-in-one kit simplifies sourdough maintenance, ensuring precise fermentation and consistent results for bakery-quality bread at home.





| ASIN | B0CY265XWP |
| ASIN | B0CY265XWP |
| Best Sellers Rank | #47,817 in Grocery & Gourmet Food ( See Top 100 in Grocery & Gourmet Food ) #43 in Sourdough Starters |
| Brand Name | POLYHNIA |
| Capacity | 1.7 Pounds |
| Closure Type | Cloth, Glass Airtight |
| Color | Jar |
| Container Shape | Cylindrical |
| Customer Reviews | 4.7 4.7 out of 5 stars (179) |
| Included Components | cloth cover, date marked feeding band, silicone spatula, sourdough starter jar, temperature stickers |
| Is the item dishwasher safe? | Yes |
| Is the item microwaveable? | No |
| Item Dimensions L x W x H | 6"L x 4.3"W x 6"H |
| Item Form | Jar |
| Item Type Name | Sourdough Starter Kit |
| Item Volume | 800 Milliliters |
| Item Weight | 0.75 Kilograms |
| Item model number | POLYHNIA-Jar |
| Manufacturer | POLYHNIA |
| Manufacturer | POLYHNIA |
| Material Features | Thick, Dishwasher Safe |
| Material Type | Glass |
| Other Special Features of the Product | Feed Tracking Band, High-Quality Glass, Temperature Monitoring, Two Lids |
| Package Quantity | 1 |
| Product Care Instructions | Dishwasher Safe |
| Product Dimensions | 4.3 x 4.3 x 6 inches; 1.65 Pounds |
| Recommended Uses For Product | Bread |
| Size | 6*4.3 in |
| Unit Count | 1.0 Count |
J**N
Great sourdough starter jar
I am new to the sourdough world. I looked at many options for a sourdough starter jar. Many people complained about the thin, fragile glass of many of the jars I reviewed. Then I found this one! The glass is thick making it feel very durable and the sides are straight making it easy to stir and clean the sides. The thin spatula is a great tool for both stirring and cleaning up the inside wall of the jar. The band works well to help you determine how much the starter has risen. I’m sure I could use a rubber band for that purpose but it is a nice addition to the set. The size of the jar seems to be pretty perfect for my needs. The silicone gasket and clips are an easy way to seal the jar when storing the starter in the refrigerator. It is easy to clean both by hand or in the dishwasher. If I were looking to purchase another sourdough jar, I’d buy this one again.
H**D
Thick durable glass. Easy to clean
Heavy duty. This is my favorite starter jar. It is easy to clean and made of nice thick glass. There is no lip curve to get in your way and collet starter.
D**O
My one and only for my starter!
Coming back to buy another 2 of these now that I’ve expanded by SD bread making skills. Heavy duty, perfect size to make at least enough starter for 2 big loaves at once without overflow. Easy to clean/scrape and feed starter, the sides are straight and at a slight angle. Wide mouth opening is very big, better than others I’ve used. Seals tight, can use for anything really, like coffee, oatmeal, rice, beans. Works well for my needs. Even looks pretty on my just sitting on counter.
D**E
Sourdough starter jar
The shape of the jar, it’s perfect for a sourdough starter. It came with the cloth cover which is great too. The only thing is the stick on thermometer fell off after one wash.
D**N
Recommend!
This is my favorite jar to feed, store and maintain my sourdough starter. The glass is thick and sturdy. I love that I can loosely place the lid on when waiting for the rise on the counter, or I can use the clips for an air tight seal to store in the fridge. I’ve noticed I don’t get as much “hooch” on my starter while in the fridge when I use this jar vs. other brands. I’ll be buying additional.
E**Y
Good basics.
Great for starting out. Just not a fan of the cloth covers. Using the glass jar unsealed works great when waiting on your starter to peak. The cloth ones can cause mold so I don’t know why so many companies include one.
S**E
Missing clips
The jar and accessories are great however the clips to seal the lid were missing.
A**R
Very nice starter kit
Very easy to use, like the wide top it makes it easy to remove the discard and feed the starter.
Trustpilot
2 weeks ago
1 month ago