8 Best Glass Fermentation Weights for Mason Jars (June 2026) Reliable Reviews
Keeping your vegetables submerged below the brine is the single most important factor in successful fermentation. Without proper submersion, your sauerkraut, kimchi, or pickles can develop mold, spoil, or fail to ferment properly. I have tested dozens of fermentation weights over the years, and glass fermentation weights for mason jars consistently outperform DIY alternatives like rocks, cabbage leaves, or jelly jars.
The best glass fermentation weights for mason jars provide the perfect combination of weight, food safety, and ease of use. They are made from non-porous glass that does not absorb odors or flavors, and they are heavy enough to keep even the most stubborn cabbage pieces under the brine. After extensive testing and research into what makes fermentation successful, I have identified the top options that deliver consistent, mold-free results batch after batch.
Contents
In this guide, I will walk you through eight excellent glass fermentation weights that work with both wide mouth and regular mouth mason jars. Whether you are a beginner making your first batch of sauerkraut or an experienced fermenter looking to upgrade your equipment, these picks will help you achieve perfect fermentation every time. If you are interested in other fermentation methods for your kitchen, check out our guide to bokashi composting kits for indoor use.
Top 3 Picks for Best Glass Fermentation Weights for Mason Jars (June 2026)
SOLIGT Fermentation Glass...
- Innovative bulge handle
- 6123 reviews
- lead-free glass
- universal fit
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Quick Overview: 8 Best Glass Fermentation Weights for Mason Jars (June 2026)
| Product | Features | |
|---|---|---|
| Masontops Pickle Pebble Wide Mouth |
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 Masontops Pickle Pebble Regular Mouth |
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| SOLIGT Fermentation Glass Weights |
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 Eleganttime Glass Weights |
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 Okllen 9 Pack Glass Weights |
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 Elementi Fermentation Weight Set |
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 LELELUK Glass Fermentation Weights |
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 JILLMO Easy Grip Weights |
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1. Masontops Pickle Pebble Glass Infinity Weights – Wide Mouth
Masontops Pickle Pebble Glass Infinity Weights for...
Wide mouth 4-pack
Soda lime glass
Patented finger grip
Dishwasher safe
Pros
- Keeps vegetables submerged perfectly
- Custom designed for mason jars
- Easy finger grip removal
- Non-porous crystal clear glass
- Dishwasher safe
Cons
- Can break if dropped
- Some packaging issues reported
When I first started fermenting vegetables, I struggled with keeping everything under the brine. Cabbage leaves would float up, and I would end up with mold on the surface. The Masontops Pickle Pebble changed everything for me. These weights are specifically designed for wide mouth mason jars, and the fit is perfect every time.
What sets these apart from other glass weights is the patented finger grip design. Instead of struggling to fish a smooth glass disc out of a jar full of brine, you simply pinch the grip and lift. It sounds simple, but after fermenting dozens of batches, I can tell you that easy removal matters more than you might think.
The glass quality is excellent. Made from the same food-safe soda lime glass as mason jars, these weights are non-porous and do not absorb any flavors or odors. I have used mine for sauerkraut, kimchi, and pickled jalapenos, and there is zero flavor transfer between batches. They are also dishwasher safe, which makes cleanup simple.
With nearly 3,900 reviews and a 4.7-star rating, these are the most popular glass fermentation weights on the market. The weight is substantial enough to hold down even large pieces of cabbage, and the smooth design prevents food from getting stuck in crevices. If you are serious about fermentation, these are the weights to get.
Why This Works Best for Beginners
If you are new to fermentation, the Masontops Pickle Pebble is the best place to start. The finger grip makes removal intuitive, and the clear glass lets you see exactly what is happening with your ferment. You will not have to guess whether your vegetables are staying under the brine.
Long-Term Durability
These weights are built to last. I have had my set for over two years, and they show no signs of wear. The glass is thick enough to withstand normal use, though you should avoid dropping them on hard surfaces. Store them carefully between uses, and they will serve you for years.
2. Masontops Pickle Pebble Glass Weights – Regular Mouth
Masontops Pickle Pebble Glass Fermenting Weights - Pickling...
Regular mouth 4-pack
Soda lime glass
Patented finger grip
Dishwasher safe
Pros
- Perfect fit for regular mouth jars
- Same quality as wide mouth version
- Easy removal with finger grip
- Works for herbal oils too
- Dishwasher safe
Cons
- Can break if dropped
- Not compatible with wide mouth jars
Not all mason jars are created equal. If you primarily use regular mouth jars for your fermentation projects, you need weights designed specifically for that size. The Masontops Pickle Pebble for regular mouth jars delivers the same quality and performance as the wide mouth version, just in a smaller diameter.
I appreciate that Masontops offers both sizes with the same patented finger grip design. The smaller opening of regular mouth jars makes weight removal even more challenging, so having that grip is essential. These weights slide in easily and create a tight seal that keeps everything submerged.
Beyond fermentation, I have found these weights useful for making herbal oils and tinctures. The glass is completely inert, so there is no concern about chemical leaching. They work well for any application where you need to keep ingredients submerged in liquid.
The 4.7-star rating across nearly 3,900 reviews speaks to the consistent quality. Like the wide mouth version, these are dishwasher safe and made from non-porous soda lime glass. If your jar collection is primarily regular mouth, this is the set you want.
Regular Mouth vs Wide Mouth Considerations
Regular mouth jars have a smaller opening, which can make packing vegetables more difficult but often results in a tighter fit for weights. These Pickle Pebbles are sized perfectly for the narrower opening, ensuring your vegetables stay submerged without the weight sliding around.
Versatility Beyond Fermentation
While designed for fermentation, these weights work excellently for other kitchen tasks. I have used them to keep herbs submerged in olive oil for infusions and to hold down fruit in vinegar for shrubs. The food-safe glass means you can use them confidently in any culinary application.
3. SOLIGT Fermentation Glass Weights with Easy Grip Handle
4-Pack of Fermentation Glass Weights with Easy Grip Handle...
4-pack
Lead-free glass
Bulge handle design
Universal wide mouth fit
Pros
- Innovative bulge handle for easy removal
- Universal fit for wide mouth jars
- Lead-free and non-porous
- Sturdy construction
- Excellent value
Cons
- Recessed handle may be hard for large fingers
- Some packaging issues
The SOLIGT fermentation weights take a different approach to the grip problem. Instead of a finger pinch grip, they use an innovative bulge handle that protrudes from the center of the weight. This design makes removal even easier, especially if you have larger fingers or limited dexterity.
With over 6,100 reviews and a 4.6-star rating, these are among the most popular glass fermentation weights available. The value proposition is excellent. You get four high-quality weights at a price point that undercuts many competitors. The glass is lead-free and non-porous, so it will not absorb flavors or odors.
I found the universal fit to be reliable across different brands of wide mouth mason jars. Whether you are using Ball, Kerr, or another brand, these weights fit properly. They are heavy enough to keep vegetables submerged, and the flat bottom prevents air bubbles from forming underneath.
The main consideration is the handle design. If you have very large fingers, you might find the recessed knob slightly challenging to grip. However, most users report no issues, and the bulge handle is generally easier to use than finger groove designs.
Handle Design Benefits
The bulge handle is a smart solution to a common problem. Unlike finger grooves that require you to pinch from the sides, the central knob lets you grab from above. This is particularly helpful when your hands are wet or slippery from handling brine.
Best for Budget-Conscious Fermenters
If you are just starting out or ferment in large quantities, the SOLIGT weights offer the best bang for your buck. You get four quality weights without paying a premium for brand name recognition. The performance is comparable to more expensive options.
4. Eleganttime Glass Fermentation Weights with Easy Grip Handle
Eleganttime 4 Pack Easy Grip Handle Glass Fermentation...
4-pack
7oz each
Ribbed grip design
2.75 inch diameter
Pros
- Thick 7oz glass weights
- Ribbed non-slip grip
- Perfect wide mouth fit
- Clear smooth glass with no seams
- Protective box packaging
Cons
- May not fit all jar brands
- Some reports of chipped pieces
The Eleganttime fermentation weights bring a ribbed grip design to the table. At 7 ounces each, these are some of the heaviest glass weights I have tested. That extra weight translates to better submersion, especially for larger vegetable pieces that tend to float.
The ribbed grip is a nice touch. Instead of a smooth surface that can be slippery when wet, the textured ribs provide traction for your fingers. I found removal to be straightforward even with brine-covered hands.
These weights are packaged in a protective box, which is a small detail that matters. Glass weights can arrive damaged if shipped in flimsy packaging. The box keeps them secure during shipping and provides a storage solution between fermentation batches.
The 2.75-inch diameter is designed for wide mouth jars, and the fit is generally excellent. A few users have reported fitment issues with certain jar brands, so check your jar measurements if you are using non-standard mason jars. Overall, the 4.7-star rating reflects strong customer satisfaction.
Weight Matters for Fermentation
Heavier weights do a better job of keeping vegetables submerged. At 7 ounces each, the Eleganttime weights provide substantial downward pressure. This is particularly helpful for fermenting denser vegetables or when you have a lot of produce in one jar.
Packaging and Protection
Glass products need proper protection during shipping. The Eleganttime weights come in a sturdy box that prevents breakage. I appreciate this attention to detail because receiving broken glass is frustrating and delays your fermentation plans.
5. Okllen 9 Pack Glass Fermentation Weights
Okllen 9 Pack Glass Fermentation Glass Weights for Large...
9-pack
7oz each
Four-leaf clover grip
BPA-free soda lime glass
Pros
- Excellent 9-pack value
- Unique four-leaf clover grip
- Dishwasher safe
- Highly rated at 4.8 stars
- Foam-protected packaging
Cons
- Taller profile reduces jar capacity
- Grip may block center vent holes
- Can be slippery when wet
If you ferment in large batches or want weights for multiple jars simultaneously, the Okllen 9-pack offers unbeatable value. You get nine high-quality glass weights for less than what some brands charge for four. This is the set I reach for when I am doing a big sauerkraut session.
The four-leaf clover grip design is unique and functional. The four petals give you multiple points to grab, making removal easy from any angle. It is also an attractive design that adds a bit of personality to your fermentation setup.
At 4.8 stars, this is one of the highest-rated glass fermentation weight sets available. The BPA-free soda lime glass is lead-free and non-porous. Each weight is 7 ounces, providing plenty of downward pressure to keep vegetables submerged.
The main trade-off is the slightly taller profile. Because these weights are thicker, they take up about three-quarters of an inch more vertical space in your jar. If you are working with smaller jars, this could limit your vegetable capacity. For quart and half-gallon jars, it is not an issue.
Best for Serious Fermenters
If you ferment regularly and use multiple jars at once, having nine weights means you can process several batches without waiting. The value per weight is excellent, and the quality matches more expensive options. This is a smart investment for dedicated fermenters.
Clover Grip Advantages
The four-leaf clover design is not just aesthetic. The multiple grip points make it easy to remove the weight regardless of how it is positioned in the jar. You can grab any of the four leaves, which is helpful when the weight has shifted during fermentation.
6. Elementi Fermentation Weight Set
Elementi Fermentation Weight Set of 2 - Easy to Use Glass...
2-pack
Food-safe soda lime glass
Bar handle
2.7 inch diameter
Pros
- Food-safe glass construction
- Perfect wide mouth fit
- Easy grip bar handle
- Dishwasher safe
- Keeps vegetables fully submerged
Cons
- Only 2 weights included
- Wide mouth only
- Handle can be slippery
The Elementi fermentation weight set is ideal if you only need a couple of weights or want to try glass fermentation weights without a big investment. The 2-pack format keeps costs down while still delivering quality construction.
The bar handle design is simple and effective. A horizontal bar across the center gives you a solid grip point for removal. I found it easy to use, though the bar can be slightly slippery when wet. A quick wipe with a towel before removal solves this issue.
Made from food-safe soda lime glass, these weights are non-porous and will not absorb flavors. The 2.7-inch diameter fits standard wide mouth mason jars perfectly. They are dishwasher safe for easy cleaning between batches.
With over 1,000 reviews and a 4.6-star rating, the Elementi weights have proven themselves with customers. If you are new to fermentation or only make small batches occasionally, this 2-pack is a sensible starting point.
Perfect for Small-Batch Fermenters
Not everyone needs four or more weights. If you typically ferment one or two jars at a time, a 2-pack is all you need. The Elementi set gives you quality weights without paying for extras you will not use.
Bar Handle Simplicity
The bar handle is a straightforward design that works. There are no grooves to collect debris and no complex shapes to clean. Just a solid glass bar that gives you leverage for removal. Sometimes simple is best.
7. LELELUK Heavy Glass Fermentation Weights
Glass Fermentation Weights - 2 Pack, 7.1oz/202g Heavy Clear...
2-pack
7.1oz (202g) each
Finger-friendly grip
Lead-free glass
Pros
- Extra heavy at 7.1oz each
- Finger-friendly grip design
- Fits 16oz-64oz wide mouth jars
- Non-porous and dishwasher safe
- Newer design with modern features
Cons
- Lower review count as newer product
- Less established brand
The LELELUK fermentation weights are a newer option that brings some innovative features to the table. At 7.1 ounces each, these are the heaviest weights in this roundup. That extra weight makes a real difference when you are trying to keep stubborn vegetable pieces submerged.
The finger-friendly grip design is thoughtful. The grip is shaped to accommodate different finger sizes, making removal comfortable for most users. I appreciate that the design considers ergonomics rather than just function.
These weights are designed to fit standard wide mouth mason jars from 16 ounces to 64 ounces. The 2.75-inch diameter is compatible with most major brands. The lead-free glass is non-porous and dishwasher safe for easy maintenance.
As a newer product, the review count is lower than established brands. However, the 4.6-star rating suggests early adopters are happy with the quality. If you want the heaviest glass weights available, these deserve your consideration.
Maximum Weight for Maximum Submersion
When fermenting dense vegetables or packed jars, every ounce matters. The LELELUK weights at 7.1 ounces each provide the most downward force of any option here. If you have struggled with vegetables floating to the surface, these heavyweights can solve that problem.
Modern Design Features
Being a newer product means the LELELUK weights incorporate design lessons from older products. The grip shape, weight distribution, and overall ergonomics reflect current best practices in fermentation weight design.
8. JILLMO Easy Grip Fermentation Weights
Jillmo Easy Grip Fermentation Weight- 4 Pack of Glass...
4-pack
7-9oz each
Easy grip handle
Food-grade glass
Pros
- Heavy 7-9oz weights per piece
- Excellent grip handle design
- Food-grade clear glass
- Smooth with no seams
- Protective packaging
Cons
- Small reservoir under handle can hold liquid
- Some weight discrepancy reported
- Knob may be difficult for arthritis
The JILLMO fermentation weights are among the heaviest options available, with each weight ranging from 7 to 9 ounces. That weight variation depends on the production batch, but even at the lower end, these are substantial weights that keep vegetables firmly submerged.
I was impressed by the packaging. The weights arrive well-protected, which is essential for glass products. The food-grade glass is clear and smooth with no seams, which means there are no crevices for bacteria to hide. Cleaning is straightforward.
The easy grip handle works well for most users. The knob design gives you a solid grip point for removal. A few users with arthritis or limited hand strength have noted that the knob can be challenging, but most people find it easy to use.
One minor issue is that the small dip under the handle can hold liquid. When you remove the weight, a bit of brine may pool there. It is not a big problem, but something to be aware of. With a 4.7-star rating across over 1,100 reviews, the JILLMO weights are clearly performing well for most users.
Why Weight Range Varies
The 7-9 ounce range reflects normal manufacturing variation. Each weight is individually made, and small differences in glass thickness result in weight variation. This does not affect performance. All weights in this range are heavy enough for effective fermentation.
Quality Construction Details
The smooth, seamless construction of JILLMO weights makes them easy to clean thoroughly. There are no grooves or crevices where food particles or bacteria can accumulate. This is an important consideration for any tool that contacts your fermented foods.
Buying Guide: How to Choose The Best Glass Fermentation Weights for Mason Jars?
Choosing the right glass fermentation weights involves more than just picking the first option you see. Several factors affect how well weights will work for your specific fermentation setup. Here is what to consider before making your decision.
Jar Compatibility: Wide Mouth vs Regular Mouth
The most critical factor is matching your weights to your jars. Wide mouth mason jars have an opening of approximately 2.75 inches, while regular mouth jars are about 2.25 inches. Using the wrong size weight means poor fit and inadequate submersion. Check your jar collection before purchasing, or buy weights designed for both sizes.
Weight and Heaviness
Heavier weights do a better job of keeping vegetables submerged. Look for weights that are at least 5-6 ounces each. The options in this guide range from about 5.5 ounces to over 9 ounces. If you ferment dense vegetables or pack your jars tightly, choose heavier weights for best results.
Grip Design and Ease of Removal
You will need to remove your weights periodically to check on your ferment or when fermentation is complete. Finger grips, bulge handles, bar handles, and clover designs all offer different removal experiences. Consider your hand size and dexterity when choosing a grip style.
Material Safety
Look for weights made from food-safe soda lime glass that is lead-free and non-porous. This ensures no chemicals leach into your ferment and no flavors are absorbed between batches. All the weights in this guide meet these safety standards.
Dishwasher Safety
While all glass can technically go in the dishwasher, some weights are specifically certified as dishwasher safe. This makes cleanup easier and ensures the weights can handle high temperatures without damage. If convenience matters to you, prioritize dishwasher-safe options.
Quantity and Value
Consider how many jars you typically ferment at once. If you do large batches, a 9-pack offers better value than multiple 2-packs. If you only ferment occasionally, a smaller set might be all you need. Calculate the per-weight cost to compare value across different pack sizes.
FAQ’s
Do I need fermentation weights?
Yes, fermentation weights are highly recommended for successful vegetable fermentation. They keep your vegetables submerged below the brine, which creates the anaerobic environment needed for beneficial lactic acid bacteria to thrive. Without weights, vegetables float to the surface where they are exposed to oxygen, leading to mold growth and potential spoilage. While some experienced fermenters use alternatives like cabbage leaves or DIY solutions, dedicated glass weights provide consistent, reliable results.
What can I use instead of fermentation weights?
Common alternatives to fermentation weights include small jelly jars that fit inside your fermentation jar, food-grade ziploc bags filled with brine, glass marbles wrapped in cheesecloth, cabbage leaves placed on top of vegetables, and properly cleaned river stones. However, these alternatives have drawbacks including inconsistent weight, potential contamination, and difficulty with removal. Purpose-made glass fermentation weights offer better performance, food safety, and convenience than DIY alternatives.
How heavy should fermentation weights be?
Fermentation weights should be heavy enough to keep vegetables submerged below the brine surface. A good minimum weight is 5-6 ounces per weight for quart jars, with heavier weights (7-9 ounces) being more effective for dense vegetables or tightly packed jars. The weight needs to overcome the buoyancy of fermenting vegetables, which naturally want to float. Heavier weights provide more consistent submersion and require less monitoring during fermentation.
What materials are safe for fermentation weights?
Safe materials for fermentation weights include food-grade soda lime glass, food-grade stainless steel, and food-safe silicone. Glass is the most popular choice because it is non-porous, does not absorb flavors or odors, is easy to clean, and is completely inert. Look for weights certified as lead-free and food-safe. Avoid porous materials, metals that can corrode, and plastics that may leach chemicals into acidic fermentation environments.
How do I keep vegetables under brine without weights?
Without dedicated weights, you can keep vegetables submerged by using a small glass jar that fits inside your fermentation jar, filling a food-grade bag with brine and placing it on top, layering cabbage leaves over your vegetables, using a sterilized rock or glass plate, or employing a spring-loaded fermentation device. However, these methods are less reliable than purpose-made weights and may introduce contamination risks if not properly cleaned.
Conclusion
Finding the best glass fermentation weights for mason jars does not have to be complicated. The Masontops Pickle Pebble remains the top choice for most fermenters thanks to its patented finger grip design and proven track record with thousands of satisfied users. For budget-conscious buyers, the SOLIGT weights offer excellent value with an innovative bulge handle. If you ferment in large batches, the Okllen 9-pack provides unbeatable value per weight.
Whichever option you choose, investing in quality glass fermentation weights will transform your fermentation results. No more mold, no more floating vegetables, just consistent, delicious fermented foods batch after batch. Your sauerkraut, kimchi, and pickles will thank you.
