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    [post_content] => As consumers, we constantly search for a particular level of quality in everything we purchase. From toilet tissue, cleaning products, or microbial products, there is an expectation to deliver upon standards. Those standards are established through trust, and it's incredibly important to uphold that trust to keep the customer coming back.

 MDG is passionate about delivering a product that meets that high and personal standard. A standard we achieve each time through our trusted processes and quality control (QC) testing. 

Compatible ingredients such as preservatives, dyes, surfactants, and fragrances are recommended from a list of stability tested ingredients guaranteeing a two-year shelf life. Once an existing or newly formulated product is created, its blended and the SPECs (specifications) are tested via our quality control lab. SPECS such as the effective amount of bacteria for the application, factors that prevent spoilage (pH and preservatives), and making sure there are no unwanted organisms such as pathogens present in the final product. The SPECS are essential to consider the level of quality when QC checks a concentrated Bacillus product, see below:  

    
 	
  • CFU: AKA, CFU/g or ‘Colony Forming Units’ per gram.  This value represents the actual number of culturable cells in a gram of material. This SPEC is at the top of the list because the CFU or “count” drives the monetary value of the product.   
    • 
 	
  • Color: A couple of different considerations here. Most liquid batches of Bacillus deliver an off-white to tan concentrate.  However, there are strains that may provide a hue that can be darker (reddish brown, brown or grey). The level of turbidity should also be considered, especially when the further formulation is required. When setting your specs, consider how this may affect the visual characteristic of your final product, and if darker strains are acceptable. In liquid concentrates, customers often require dyes and fragrances. It is important to determine the hue as well as the intensity of the hue when establishing a color SPEC. 
    • 
 	
  • Odor/Fragrance:  As with odor, there are a couple things to consider here. Most Bacillus products emit an earthy, moss-like odor. Keep in mind that this is a natural organism with a natural odor, and some may not find it favorable.  Take the time to experience this characteristic, as alterations can be a signal for off-SPEC product.  When you experience an odor of “rotten eggs,” or other objectionable aroma, it is advised to get your product tested. In liquid concentrates, customers often require a specific fragrance. It is important to determine fragrance type and intensity when establishing this SPEC. 
    • 
 	
  • pH: In liquid products, it is advised to maintain the pH at a neutral level or optimal shelf life. 
    • 
 	
  • Others: In addition to the crucial SPECs above, many customers may require supplementary characteristics in their products. A few of these include:

      
 	
    • Specific gravity (liquids) or density (powders) 
      • 
 	
    • Viscosity (when there is interest in a “thicker” type of liquid) 
      • 
 	
    • Solubility 
      • 
 	
    • Surfactants as needed 
      • 

    

    • 


To learn more about our quality control, listen to MDG’s Quality Control Manager Ben Clark in MDG: The Podcast Quality Control with Ben Clark.  

To learn more about the SPECS for your wastewater or I&I products contact us through our wastewater department https://www.mdgbio.com/wastewater-contact/ or I&I department https://www.mdgbio.com/industrial-institutional-contact/ 
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“I don't have time to make mistakes. That's why I work with MDG, they give me a product that works every time.”

News

"What's Your Spec" article highlight. Glove holding petri dish with bacteria.

What’s Your SPEC?

  • MDG
  • July 7, 2022
As consumers, we constantly search for a particular level of quality in everything we purchase. From toilet tissue, cleaning products, or microbial products, there is an expectation to deliver upon standards. Those standards are established through trust, and it's incredibly important to uphold that trust to keep the customer coming back. MDG is passionate about delivering a product that meets that high and personal standard. A standard we
-READ MORE-

Spring Treatment: Take Advantage of Faster Treatment

  • MDG
  • May 11, 2022
For treating wastewater systems with bioaugmentation, spring is the perfect time for treatment to begin. During the spring months, temperatures rise which increases microbial activity and speed of treatment. Microbial Discovery Group’s Wastewater Technical Team has visited hundreds of facilities around the world and sees the same common problems when spring approaches: H2S, odors, FOG and sludge. Pairing our Biotifx® Treatment program
-READ MORE-

Under the Microscope, MDG’s Director of I&I Sales: Justin Howlett

  • MDG
  • May 4, 2022
MDG’s Director of I&I Sales, Justin Howlett, is ready to tackle the Industrial & Institutional market.   What drew you to Microbial Discovery Group (MDG)? In my numerous conversations with Mike King, MDG’s CEO, I enjoyed the vision of the company’s growth as well as the challenge that was ahead in playing a role in getting the company to where it is now and where it will be. I enjoyed the culture that was and is so very
-READ MORE-

Two Big Reasons You Need Our Small Spray Dryer

  • MDG
  • April 20, 2022
Throughout a facility tour at MDG you’ll walk past different sizes of the same equipment, one example, specifically of interest to many plant companies, is the 6-foot pilot spray dryer that stares up at a 34-foot electric production spray dryer. Flexibility in spray drying equipment size offers two intentional benefits: affordable trials and high-yield spore production.    What is Spray Drying? [caption id="attachment_7069"
-READ MORE-

Trends of Today: Janitorial and Sanitation Market

  • MDG
  • April 12, 2022
All markets experience industry trends, both perils and opportunities. The key to success within any market is not simply navigating trends but getting ahead of the impact. As a Bacillus manufacturer for multiple markets, we tend to see overlap, allowing us to predict and forecast changes. Today, in the Janitorial and Sanitation industry, many of our partners are discussing trends that are both specific to the industry, and trends impacting
-READ MORE-

Clean Ingredients for Cleaning Products 

  • MDG
  • March 21, 2022
With growing restrictions faced by ingredients used in cleaning products, Bacillus has found itself in a unique role as a solution. Clean ingredient incentive groups all over the world have taken a hard look at manufacturers of products used for industrial, institutional, janitorial and commercial cleaning. Of particular interest is the environmental impact these products elicit. Many commodity ingredients of the past decades have
-READ MORE-

The Underlying Cause of H2S and How to Reduce It 

  • MDG
  • January 20, 2022
Elevated hydrogen sulfide (H2S) levels are a serious concern for wastewater operators and introduce a variety of treatment challenges. While many treatment options reduce the symptoms of H2S (odors, safety risks, and corrosion), they are reactive and neglect the underlying culprit: sulfur-reducing bacteria (SRB).  A discussion of H2S generation will aid in exploring the pros and cons of common reactive H2S treatment
-READ MORE-

2021 Expansion Spotlight: New Spray Drying Structure

  • MDG
  • October 11, 2021
Microbial Discovery Group has broken ground on two new expansion projects in Oak Creek, WI, beginning the first of multiple 2021 capital expansion plans.  Completion of the 2021 plan will result in a total investment of $2.7M into the Milwaukee-area. MDG’s business is built on supplying naturally-occurring, bacteria-based products to a multitude of different industries: bioremediation, wastewater, industrial and institutional, landfill,
-READ MORE-

Alternatives to Ferric Chloride Offer Superior Economic and Treatment Improvements

  • MDG
  • July 22, 2021
Similar to many other chemicals, the price of Ferric Chloride has fluctuated over the years. While customers can typically handle slight changes, the industry has seen fluctuations in pricing, as large as, 4X the previous market average in recent years. For small to medium wastewater treatment plans, a price increase on a high-demand product, such as Ferric Chloride, encourages operators to search for alternative treatments.   Does
-READ MORE-

Under the Microscope, MDG’s Business Development Manager: JoElla Barnes

  • MDG
  • June 17, 2021
MDG’s Business Development Manager, JoElla Barnes, brings a tenacity of passion and knowledge from working years with Bacillus. What drew you to Microbial Discovery Group (MDG)? I had been working for several years in the microbial industry, so I’ve known of MDG and their R&D team for a while now. In 2020, Mike and I started talking and I decided to step onboard at MDG! It was a great fit. It feels like home to me here and everyone
-READ MORE-
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