
PURE Bioscience Launches Breakthrough Membrane Treatment for Dairy and Beverage Industry
PURE Bioscience, Inc. (OTCQB: PURE), the innovator behind the patented, non-toxic antimicrobial silver dihydrogen citrate (SDC), has announced the launch of a pioneering new method for treating membranes in the dairy and beverage industries. This advanced solution, centered around PURE® Hard Surface, is set to address persistent operational challenges such as membrane fouling and the limitations of conventional sanitization products—ushering in a new era of performance, safety, and efficiency for food and beverage manufacturers.
As filtration systems are central to product quality and consistency in dairy and beverage processing, the industry has long sought more effective, less damaging ways to manage fouling and contamination without compromising throughput or membrane lifespan. The newly introduced PURE Hard Surface application method directly addresses these concerns, offering what the company calls “one treatment, zero compromises.”
According to Tom Myers, Executive Vice President of Technology & Development at PURE Bioscience, the introduction of this solution marks a major advancement. “The introduction of PURE Hard Surface to the dairy and beverage industry represents a significant advancement in membrane treatment technology,” he stated. “This product delivers unmatched efficiency and enhances filtration operation and longevity.”
Revolutionary Simplicity: One-Step Application with Comprehensive Results
One of the key attributes of PURE Hard Surface as a membrane treatment is its simplicity. The ready-to-use formula eliminates the need for mixing or dilution—users simply fill and go. This streamlined approach saves valuable time for plant operators, who are typically burdened with multi-step cleaning procedures that often require harsh chemicals and extended downtime.
Yet, the simplicity of use does not come at the cost of performance. On the contrary, the product offers comprehensive results in a single treatment. In side-by-side testing, PURE Hard Surface demonstrated complete membrane penetration within five minutes in reverse osmosis (RO) systems, effectively scrubbing away fouling and restoring throughput. Similarly, in ultrafiltration (UF) systems, the treatment delivered immediate penetration with exceptional restoration of membrane function—all while achieving sanitation levels that meet or exceed the industry’s stringent quality requirements.
The product’s ability to remove biofilm and microbial contamination while preserving membrane integrity is a significant differentiator in a market often reliant on aggressive chemicals that can cause long-term damage. The treatment’s effectiveness is further validated by its ability to achieve more than a 4-log reduction in microbial count within just 120 seconds.
A Safer, Greener Alternative
Safety has also been a major focus in the development of PURE Hard Surface. With the lowest toxicity rating issued by the EPA—Category IV—the product is non-irritating to skin, eyes, and lungs, and requires no personal protective equipment (PPE) during handling. For frontline operators in manufacturing environments, this translates to a safer, more user-friendly experience.

Equally notable is the product’s environmental profile. Unlike conventional disinfectants that can introduce volatile organic compounds (VOCs) or other chemical residues into wastewater systems, PURE Hard Surface poses no such risks. It is fully compatible with wastewater digesters and has no impact on discharge permit compliance, making it an environmentally responsible choice for manufacturers concerned with regulatory adherence and sustainability goals.
“PURE Hard Surface is redefining what’s possible in the food industry,” said Tim Steffensmeier, Vice President of Sales at PURE Bioscience. “This modern membrane application brings a smarter, more efficient approach to streamlining operation, delivering measurable cost savings, and empowering manufacturers to uphold the highest quality standards—without the negative trade-offs of traditional chemistry.”
Economic and Operational Benefits
The adoption of PURE Hard Surface also brings tangible financial and operational benefits. Traditional membrane cleaning and sanitization methods often require repeated applications, system downtime, and the risk of membrane damage, which can shorten equipment lifespan and raise replacement costs.
With PURE Bioscience new treatment, a single application restores performance and extends the functional life of membranes, offering meaningful cost savings over time. Additionally, the ability to sell finished goods at full value, thanks to improved microbial control and restored throughput, enhances overall profitability for processors.
By minimizing labor hours, reducing downtime, and eliminating the need for protective gear, PURE Hard Surface supports a leaner, more efficient operation—especially critical in high-volume production settings where every hour of lost productivity can translate to thousands of dollars in revenue loss.
Visit and Discover: Dairy Foods Membrane Technology Forum
PURE Bioscience is eager to share its latest innovation with industry professionals. The company will be showcasing the membrane treatment application of PURE Bioscience Hard Surface at the upcoming Dairy Foods Membrane Technology Forum, taking place June 2–4, 2025, in Bloomington, Minnesota. Attendees can learn about real-world applications, view case studies, and speak directly with product experts.
More information about the solution and its distributors is available online at www.purebio.com/membrane.
The Science Behind SDC: Dual-Action Antimicrobial Power
At the core of PURE Bioscience Hard Surface is PURE Bioscience proprietary silver dihydrogen citrate (SDC), a molecule designed to offer fast, broad-spectrum antimicrobial action with long-lasting stability. SDC functions through two synergistic mechanisms:
- Silver Ion Activity: The silver ion component of SDC deactivates key structural and metabolic membrane proteins in microbes. This disrupts the organism’s essential functions, leading to its rapid death.
- Intracellular Disruption: In an ingenious twist, microbes perceive SDC as a nutrient source, allowing the silver ion to be absorbed into the organism. Once inside, it denatures the microbe’s DNA, effectively preventing replication and ensuring complete eradication.
This dual mode of action makes SDC uniquely fast and effective against a wide range of bacteria, fungi, and viruses—more so than many conventional antimicrobials that rely on a single mechanism and face growing resistance challenges.
Another key differentiator of SDC is its stability. While most silver-based disinfectants degrade quickly, often within hours or days, SDC’s patented formulation remains stable for years. This extended shelf life increases its reliability and reduces waste, giving processors confidence in their inventory management and product performance.
As global demand for safer, cleaner, and more efficient food and beverage processing technologies grows, innovations like PURE Hard Surface are poised to make a lasting impact. With a science-driven foundation, real-world performance metrics, and an operator-friendly application, PURE Bioscience latest offering is more than just a cleaning product—it’s a transformative step forward for the industry.
By combining robust microbiological control with environmental and economic sustainability, PURE Bioscience continues to push the boundaries of what’s possible in food safety and plant hygiene. Whether for a small dairy co-op or a multinational beverage conglomerate, the benefits of SDC technology are clear—and they’re only just beginning to be realized.