Ceramic Plate vs. Glass Follower: Which Is Better for Fermenting?

Last Updated Apr 10, 2025

Ceramic plates provide a non-reactive, durable surface that maintains consistent pressure on fermenting pets, reducing the risk of contamination and uneven fermentation. Glass followers offer better visibility of the fermentation process and are easier to clean, but they may be more prone to breakage and less resistant to temperature fluctuations. Choosing between ceramic and glass depends on the fermenter's preference for durability versus transparency during the fermentation process.

Table of Comparison

Feature Ceramic Plate Glass Follower
Material Durable, non-porous ceramic Transparent, non-reactive glass
Weight Heavier, stable during fermentation Lighter, easy to handle
Cleaning Simple to clean, dishwasher safe Easy to clean, dishwasher safe
Visibility Opaque, no visibility of contents Clear, allows monitoring fermentation
Fit Usually custom-fit for crocks Fits standard wide-mouth fermenting jars
Use Ideal for heavy-duty fermentation Best for small to medium batches
Price Moderate cost Typically more affordable

Introduction to Fermentation Followers

Fermentation followers are essential tools used to weigh down and submerge food during the fermentation process, preventing exposure to air and promoting anaerobic conditions. Choosing between ceramic plates and glass followers affects durability, ease of cleaning, and potential chemical interactions with the fermenting food.

  • Ceramic Plates - Provide a sturdy, non-reactive surface that resists staining and odor retention.
  • Glass Followers - Offer a transparent option making it easier to monitor the fermentation process.
  • Material Safety - Both ceramic and glass are food-safe and inert, ensuring no harmful substances leach into the ferment.

Selecting the appropriate follower depends on the specific needs for visibility, weight, and ease of maintenance in fermentation.

What Is a Ceramic Plate Follower?

A ceramic plate follower is a flat, heavy disk used in fermentation to keep vegetables submerged under the brine, preventing exposure to air and minimizing spoilage. It is favored for its non-reactive, durable, and easy-to-clean properties, which help maintain a stable environment for microbial activity. Compared to glass followers, ceramic plates are less prone to slipping and provide consistent pressure during the fermentation process.

What Is a Glass Follower in Fermentation?

A glass follower in fermentation is a weighted glass disk used to keep fermenting ingredients submerged beneath the brine, preventing exposure to air. This tool ensures an anaerobic environment essential for proper fermentation and flavor development.

  • Material Composition - Made from food-grade glass, the follower is non-reactive and easy to clean, providing a safe surface for fermenting foods.
  • Functionality - It helps maintain consistent pressure on the fermenting contents, reducing the risk of mold formation and spoilage.
  • Comparison to Ceramic Plate - Unlike ceramic plates, glass followers offer a seamless surface that doesn't absorb odors or stains, enhancing hygiene during fermentation.

Material Properties: Ceramic vs Glass

Ceramic plates used in fermenting are porous, allowing micro-oxygenation which can enhance microbial activity and flavor development. Glass followers are non-porous, providing an airtight seal that prevents oxidation and contamination during fermentation.

The thermal stability of ceramic helps maintain consistent fermentation temperatures, promoting even microbial growth. Glass is chemically inert and does not react with acidic fermenting agents, ensuring purity and safety. While ceramic can absorb odors over time, glass followers are easier to clean and do not retain smells, making them more hygienic for repeated use.

Effectiveness in Weighing Down Ferments

Ceramic plates are highly effective for weighing down ferments due to their heavy weight and non-porous surface, which prevents absorption of brine and contaminants. Their durability makes them a reliable choice for maintaining consistent pressure on fermenting vegetables.

Glass followers also provide an excellent seal and weigh down ferments well, with the added benefit of being transparent for easy monitoring. However, their lighter weight compared to ceramic plates may require additional measures to ensure consistent pressure during fermentation.

Safety and Non-Reactivity: A Comparison

Which material offers better safety and non-reactivity for fermenting, ceramic plates or glass followers? Ceramic plates are praised for their durability and resistance to acidic fermentation environments, ensuring no harmful chemicals leach into the ferment. Glass followers provide excellent non-reactivity and are easy to sanitize, reducing contamination risks during the fermentation process.

Ease of Cleaning and Maintenance

Ceramic plates used as fermenting weights are non-porous, making them easy to clean and resistant to staining or retaining odors. Their smooth surface ensures minimal maintenance and quick sanitation between uses.

Glass followers also offer a non-porous and hygienic surface, with the added benefit of transparency to monitor fermentation progress without removing the weight. However, glass requires careful handling during cleaning to prevent chips or cracks that could harbor bacteria.

Durability and Longevity in Fermentation

Ceramic plates offer superior durability due to their resistance to scratches and chemical reactions during fermentation, ensuring long-lasting performance. Glass followers, while less prone to staining, are more fragile and susceptible to chipping or breaking over time. Choosing ceramic enhances longevity in fermentation processes by maintaining structural integrity under frequent use.

Cost and Accessibility: Ceramic Plate vs Glass Follower

Ceramic plates for fermenting are generally more affordable and widely available than glass followers, making them a popular choice for home fermenters on a budget. Glass followers tend to be pricier but offer durability and ease of cleaning, which can justify their higher upfront cost.

  1. Ceramic Plate Cost Efficiency - Ceramic plates are often produced in bulk, leading to lower market prices and better accessibility in local stores and online.
  2. Glass Follower Durability - Glass followers, while more expensive, provide a non-porous, stain-resistant surface that resists odors and contamination over time.
  3. Accessibility - Ceramic plates are more commonly found in various sizes and styles, offering flexible options for different fermenting needs compared to the limited styles of glass followers.

Related Important Terms

Oxygen ingress differentials

Ceramic plates provide a denser barrier that significantly reduces oxygen ingress during fermentation, promoting anaerobic conditions essential for optimal microbial activity. In contrast, glass followers, despite their inert properties, may allow higher oxygen permeability at the edges, potentially leading to unintended oxidation and spoilage.

Microbial nucleation points

Ceramic plates provide porous surfaces that enhance microbial nucleation points during fermentation, promoting diverse and robust microbial communities, whereas glass followers offer smooth, non-porous surfaces that limit microbial adherence and reduce nucleation potential. The increased surface roughness and micro-porosity of ceramic facilitate biofilm formation essential for effective fermentation.

Plate weight distribution

A ceramic plate offers superior weight distribution due to its denser material, ensuring even pressure on fermenting vegetables to prevent floating and spoilage. Glass followers, while effective, often have uneven weight distribution which may require additional adjustments to maintain consistent fermentation conditions.

Surface porosity influence

Ceramic plates, with their porous surface, promote beneficial microbial activity and better gas exchange during fermentation, enhancing flavor complexity. In contrast, glass followers have a smooth, non-porous surface that limits microbial interaction but provides easier cleaning and less risk of contamination.

Silicate ion leaching

Ceramic plates used in fermenting can release silicate ions into the fermenting environment due to their porous nature and mineral composition, potentially affecting the flavor and microbial activity. In contrast, glass followers exhibit minimal silicate ion leaching because of their non-porous, inert surface, making them a preferred choice for maintaining fermentation purity and consistency.

Anaerobic barrier integrity

Ceramic plates offer superior anaerobic barrier integrity compared to glass followers due to their porous yet sealed structure, which minimizes oxygen infiltration during fermentation. The inherent material properties of ceramic help maintain a stable, oxygen-free environment essential for preserving flavor and preventing spoilage in fermented products.

Biofilm formation rates

Ceramic plates exhibit slower biofilm formation rates due to their porous surface, which absorbs moisture and inhibits microbial colonization compared to the non-porous, smooth surface of glass followers. Glass followers facilitate faster biofilm buildup because their impermeable surface allows microbes to adhere more readily, impacting fermentation consistency and hygiene.

Lead/glaze leaching risk

Ceramic plates may pose a risk of lead or glaze leaching into fermented foods if not properly vitrified or food-safe certified, compromising safety and taste. Glass followers, being non-porous and inert, eliminate the risk of chemical leaching, making them a safer choice for consistent, toxin-free fermentation.

Transparent monitoring advantage

Glass followers offer superior transparent monitoring during fermentation, allowing precise observation of bubble activity and fermentation progress without disturbing the environment. Ceramic plates lack this clarity, making it difficult to visually track fermentation stages and increasing the risk of missed spoilage or underdevelopment.

Ceramic plate vs Glass follower for fermenting. Infographic

Ceramic Plate vs. Glass Follower: Which Is Better for Fermenting?


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