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What Causes Limescale Build Up?

What is scale? As rainfall descends, it picks up CO2, which makes water slightly acidic. By the time it reaches the earth, it is now a natural solvent. As it seeps down to the underground aquifers, it dissolves mineral along the way, becoming “hard.” Hard water is generally concentrated with four hard minerals: calcium, magnesium, carbonate, and sulfate. Every water supply has some dissolved mineral content.How does scale form? When energy is applied to hard water, the minerals can drop out of the solution and settle on surfaces. This is called scale, the most common of which is limescale. These minerals can form a hard crust that can cause many problems with equipment, from clogging to increased energy requirements. To understand the process that allows dissolved mineral content to rebuild solid rock, it is important to understand the condition of pH. The scale for pH is measured from 0.0 to 14.0, with 7.0 as a perfect neutral. In general terms, water supplies with a pH below 7.0 have a greater acid content and tend to dissolve rock into minerals. Water supplies with a pH above 7.0 have a lower acid content and tend to build mineral scale. There are two key conditions for scale formation:

  • The pH level must be neutral or above
  • There must be an energy transfer, cooling or heating, to act as a catalyst.

How does scale affect water-using equipment? Mineral deposits such as limescale create major problems for foodservice operators with ice, coffee, espresso, steam and warewashing equipment. Mineral scale can clog tubing and small orifices, coat heating and cooling elements, and result in increased detergent usage. Scale also causes reduced energy transfer and efficiency loss, resulting in increased energy demands for cooling or heating, and increased operating costs. Many water-using appliances, from coffee brewers to ice makers, are susceptible to limescale build-up. Steamers and combi ovens are among the most susceptible. As water boils and evaporates, minerals remain and become concentrated. Because of these high concentrations, steamers can require frequent deliming—an acid cleaning process that removes mineral scale. This process is harsh to the equipment surfaces and decreases equipment life. Freezing water can also cause scale to form. Commercial cuber-type ice makers require more service to correct scale build-up than any other equipment commonly used in foodservice. Like steamers, commercial icemakers leave a high concentration of minerals as most of the water becomes ice. The resulting residue is a murky mixture full of sediment and growing crystals that restricts tubes, fouls pumps, clogs orifices, scores valves, and causes ice to hang in clumps. Fortunately, scale growth can be reduced by adding small amounts of polyphosphates to water. Polyphosphates are completely safe and nontoxic, and many occur naturally in foods or are added during processing. They are also used in the treatment of drinking water to combat corrosion and scaling. Most scale-producing situations can be resolved more effectively with a point-of-use water treatment system that couples fine filtration and a polyphosphate feed. Fine filtration reduces particles that act as nucleation sites for scale formation. These particles speed up the scaling process and can add as much as 60 percent to the weight of the scale, depending on the particles in the source water. Filter Pure provides many systems meeting these specifications for home use, vending and office applications, and commercial foodservice. Types of scale The appearance of scale varies infinitely and depends on the impurities that are present in the water. For example, pure limescale is pure white, but sediment and turbidity due to dust, dirt and mud may color it. Common contaminants have these color properties: Treating scale There are three methods for reducing scale:

Information provided by Everpure

Everpure EV9606-51 4SI Ice Machine Water Filter Cartridge

The Everpure EV9606-51 4SI Ice Machine Water Filter Cartridge features:

  • 4SI Cartridge reduces particulates down to 0.5 micron. 
  • Utilizes depth filtration and Fibredyne II media for superior dirt holding capability. 
  • Leaves chlorine and chloramines within water that is supplied to equipment which helps to reduce slime growth in ice machine and  ice bin. 
  • Reduces ice machine maintenance, service costs and buildup.
  • Scale can result in clogging of distribution lines, malfunction of probes, floats, pumps, solenoids and valves and higher energy consumption. 
  • Sanitary cartridge replacement is simple, quick and clean. 
  • Internal filter parts are never exposed to handling or contamination.
  • Can be used on Insurice and Hybrid Manifold Systems.
  • NSF Certified under NSF/ANSI Standards 42 and 53.
  • Features Cyst Reduction and Particulate Reduction 
  • Capacity: 15,000 gallons (56,781 liters)
  • Maximum Flow: 2.0 gpm (7.57 lpm)


For additional product information, contact FilterPure at 1-800-942-7873.


Download the Everpure EV9606-51 4SI Ice Machine Water Filter Cartridge Specification Sheet

Everpure EV9606-01 7SI Ice Machine Filter Cartridge

Everpure EV9606-01 7SI Ice Machine Filter Cartridge features:

  • 7SI Cartridge
  • reduces particulates down to 0.5 micron
  • Utilizes depth filtration and Fibredyne II media for superior dirt holding capability
  • Leaves chlorine and chloramines within water that is supplied to equipment which helps to reduce slime growth in ice machine and ice bin
  • Reduces ice machine maintenance, service costs and buildup
  • Scale can result in clogging of distribution lines, malfunction of probes, floats, pumps, solenoids and valves and higher energy consumption
  • Sanitary cartridge replacement is simple, quick and clean. 
  • Internal filter parts are never exposed to handling or contamination. 
  • Can be used on Insurice and Hybrid Manifold Systems.
  • NSF Certified under NSF/ANSI Standards 42 and 53.
  • Features,Cyst Reduction, Particulate Reduction, Capacity: 25,000 gallons (94,635 liters),Maximum Flow: 3.5 gpm (13.25 lpm)

For additional product information, contact FilterPure at 1-800-942-7873.

Everpure i4000-2 EV9612-37 Replacement Filter

Features of the I40002 Cartridge include:

  • Part Number: EV9612-37 (EV9612-32)
  • .5 micron 
  • 12000 gallon capacity 
  • Reduces chlorine taste and odor and other offensive contaminants 
  • reduces sediment, chlorine, taste & odor, Cyst, and scale build up 
  • MicroPure II media with AgION™ antimicrobial protection & scale control 
  • Self-contained scale inhibitor feed keeps ice machines functioning at full capacity 
  • Reduces maintenance and service costs by reducing scale and clogging of distribution lines, evaporator plate and pump 
  • NSF Certified under NSF/ANSI Standards 42

Download the Everpure i4000-2 EV9612-37 Replacement Filter Specifications Sheet

Everpure 7CB5-S EV9618-26 Filter Cartridges

7CB5-S Cartridge

  • Part Number: EV9618-26 (EV9618-21) 
  • 5 Micron
  • Rated Capacity: 10,000 gallons (22,710 L)
  • Overall Dimensions: 20.75”H x 3.25”Diameter
  • Service Flow Rate: Maximum 1.67 gpm (6.3 Lpm)li>
  • Provides scale control helping maintain your machines
  • Pressure Requirements: 10 – 125 psi (0.7 – 8.6 bar), non-shock
  • Ideal for problem water areas
  • For foodservice, vending machine and office coffee service applications
  • Carbon block reduces chlorine taste and odor and other offensive contaminants that can adversely affect the taste of water and beverages
  • Reduces extra fine dirt and particles

Carbon block filter finely polishes water for high quality beverage and food applications. Reduces chlorine taste and odor and other offensive contaminants that can adversely affect the taste of water and beverages. Reduces extra fine dirt and particles as small as 5 microns in size. Reduces limescale build-up that can cause excessive machine downtime and increased maintenance costs. Plus, scale reduction lowers energy costs. Sanitary cartridge replacement is simple, quick and clean. Internal filter parts are never exposed to handling or contamination. NSF Certified under NSF/ANSI Standard 42

Download the Everpure 7CB5-S EV9618-26 Filter Cartridges Specifications Sheet

Everpure i2000-2 EV9612-27 Replacement Water Filter

The Everpure i20002 Cartridge delivers premium quality water for ice applications.


Features:

  • Part Number: EV9612-27 (EV9612-22) 
  • .5 micron 
  • 9000 gallon capacity 
  • Reduces chlorine taste and odor and other offensive contaminants 
  • reduces sediment, chlorine, taste & odor, Cyst, and scale build up 
  • MicroPure II media with AgION™ antimicrobial protection & scale control 
  • Self-contained scale inhibitor feed keeps ice machines functioning at full capacity 
  • Reduces maintenance and service costs by reducing scale and clogging of distribution lines, evaporator plate and pump 
  • NSF Certified under NSF/ANSI Standards 42

Download the Everpure i2000-2 EV961227 Replacement Water Filter Specification Sheet

Everpure MH2 EV9613-26 Replacement Water Filter

MH2 Cartridge 

  • Part Number: EV9613-26 (EV9613-21) 
  • Micron Rating: .5
  • Rated Capacity: 9,000 gallons (34,068L) or 18,000 pots
  • Overall Dimensions: 20.75”H x 3.25”Diameter
  • Service Flow Rate: Maximum 1.67 gpm (6.3 Lpm)
  • For coffee applications and high flow, higher volume coffee urns
  • This is the replacement for Everpure Marine item # 255351 (EV962304).

New and improved Micro-Pure II media with AgION™ antimicrobial protection inhibits any potential bacterial growth. Provides clear, fresh, premium quality ingredient water for consistently great tasting coffee and beverages. Everpure’s unique filter blend using activated carbon reduces chlorine taste and odor and other offensive contaminants. Saves energy by reducing scale build-up. Selfcontained scale inhibitor feed dramatically prevents limescale from forming in brewing equipment. Precoat submicron technology reduces dirt and particles as small as 1/2 micron in size. Reduces health contaminants such as asbestos fibers and Cryptosporidium and Giardia cysts. Sanitary cartridge replacement is simple, quick and clean. Internal filter parts are never exposed to handling or contamination.

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August is National Water Quality Month!

The history of National Water Quality Month originally dates back to two US congressional acts that were passed in the early 1970s in an effort to protect our water sources. The Clean Water Act was passed in 1972 and the federal government began taking steps to curb water pollution by making it illegal to dump high amounts of toxic materials into bodies of water. This set the standard for making sure that surface water was up to certain standards before being used for human consumption and recreation. In 1974, the Safe Drinking Water Act was passed to further protect the quality of groundwater and public water systems. National Water Quality Month was founded in 2005 by the Environmental Protection Agency (EPA) and backed by the United Nations in an effort to promote civic discourse about how to conserve our natural water sources by starting conversations on what we can do in our own households and communities to ensure that we all have access to safe, clean drinking water for generations to come. The U.S. Environmental Protection Agency (EPA), The Safe Drinking Water Act (SDWA), Clean Water Act (CWA), and the water utility companies themselves are all play a part in making sure that the water that comes from our taps are always safe for use.

Even though water makes up over 70% of Earth’s surface area, the total amount of freshwater found on Earth only makes up around 3% of the water supply, 1% of which is easily accessible. This 1% accounts for all of our lakes, rivers, groundwater, aquifers, and streams. With this in mind, one can imagine that sustaining the needs of over 7 billion people on earth is no easy task. National Water quality month reminds us to take a moment to consider how important these water sources are not just to humans, but also to the other inhabitants of these ecosystems. The fish that live in the waters, the plants and animals that rely on lakes and rivers for water just like we do. By thinking about the little things that you do on a daily basis that could have a negative effect on water quality, you’ll be one step closer to making a difference. There are easily thousands of factors that can have a negative impact on the quality of your local water sources ranging from industrial pollutants like metal particulate, oils, and other chemicals to the pesticides we use in our own backyards. Just by focusing on what we do at home can have a direct impact. Not using antibacterial soaps or cleaning products. Regular soap and water will do the trick. Much of the antibacterial soaps contain a registered pesticide that is known to harm marine life. Not flushing unwanted or out-of-date medications down the toilet or drain and how about just not buying any more bottled water. It takes more than 17 million barrels of oil annually to make all the plastic bottles that meet America’s demand for bottled water. That’s enough oil to fuel 1.3 million cars for a year, not including the oil used for transportation of those water bottles. After decades-long streak of strong growth, bottled water surpassed carbonated soft drinks to become the largest beverage category by volume in the United States in 2016, according to research and consulting firm Beverage Marketing Corp. Annual consumption of plastic bottles now tops half a trillion, far outstripping recycling efforts and jeopardizing oceans, coastlines and other environments. A million plastic bottles are bought around the world every minute creating an environmental crisis some campaigners predict will be as serious as climate change. Currently the average American uses more than 167 disposable water bottles annually. Altogether, Americans’ use over 50 billion plastic water bottles a year. The recommended eight glasses of water a day, at U.S. tap rates equals about $.49 a day. That same amount of bottled water is about $1,400 a year, but keep in mind that people prefer bottled water because it taste great! So, how does one cut out all the plastic bottles from their life but still get great tasting water straight from their tap? By purchasing a high performance drinking water system, that goes under your kitchen sink from Everpure! The same commercial quality that makes Pentair® Everpure the overwhelming choice for water filtration in restaurants is also available for your home. Pentair Everpure exclusive precoat filtration technology combines Micro-Pure® and a unique pleated filter membrane. This highly engineered design offers the largest filtering surface area, longer filter life, and consistent performance. For example the number one selling H-300 Everpure Residential system with a capacity of 300 gallons is equal to 2,272 bottled waters.

Features of the Everpure H-300 Drinking Water System include:

• Part Number: EV927076
• .5 micron
• Overall Dimensions: 22” H x 5” Diameter
• Rated Capacity: 300 gallons (1,135 Litres)
• Built in water shut off allows for easier cartridge changes
• Exclusive Micro-Pure filtering material coats the pleated surface inside the cartridge
• Retains vital minerals found naturally in water to ensure the health and delicious clean, crisp taste of your water
• Chlorine, taste & odor, sediment, lead and cyst reduction
• VOCs, volatile organic chemicals including THMs
• Removes dirt and cloudiness including particles as small .5 micron by mechanical means
• Removes particulates including oxidized iron, manganese and sulfides
• Adsorbs common earthy, moldy, fish tastes, and odors
• Enhanced KDF media to inhibit scale build-up that can damage equipment
• Commercial grade filtration, Everpure signature metal canister protects the filter from splitting or bursting
• NSF Certified under NSF/ANSI Standards 42 chemical reduction and 53 certified to reduce cysts such as Cryptosporidium and Giardia by mechanical means
• Uses replacement H-300 replacement water filter cartridge (EV927072)
• MADE IN THE USA

Not sure that the H-300 is right for you, download the current Everpure Residential Catalog! Questions? Call us at 800-942-7873 or email us at info@filterpure.com.

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The Mother’s Day Gift that Keeps on Giving!

If you haven’t already this year, give Mom the gift of commercial grade, pure clean water! If you tour the kitchen at a world renowned restaurant, you’re very likely to see the Everpure name. We’re the industry leader that professional chefs trust most for excellence in water filtration. They love our ability to remove the impurities that make water taste bad, while preserving the valuable trace minerals that create refreshing flavor. A commercial grade Everpure system takes away all sorts of unpleasant substances – and even some unhealthy ones – that may be in your tap water:

  • Particulates that leave a bad taste or odor
  • Chemical substances that may affect health and add unpleasant tastes and odors
  • Bacteria and viruses that can cause illness
  • Limescale that damages your expensive water-using appliances

Everpure filtered water lets you drink, blend beverages, and cook with confidence.

  • Better tasting coffee and tea
  • More appetizing food – chlorinated water can cause cooking water to taste odd, which can affect food, such as pasta. Chlorine also can affect food color.
  • Tastier homemade bread – chlorine can affect yeast, which is a particular problem in sourdough recipes.
  • Cleaner fruits and vegetables – washing produce in filtered water prevents contamination with chlorine and related byproducts. Even washing salad in chlorinated water can have negative effects.

From elegant fare to simple crystal-clear ice, enjoy gourmet restaurant quality in your own home with a Pentair Everpure system.

Features of the Everpure H-300 Drinking Water System include:

Part Number: EV927076
• .5 micron
• Overall Dimensions: 22” H x 5” Diameter
• Rated Capacity: 300 gallons (1,135 Litres)
• Built in water shut off allows for easier cartridge changes
• Exclusive Micro-Pure filtering material coats the pleated surface inside the cartridge
• Retains vital minerals found naturally in water to ensure the health and delicious clean, crisp taste of your water
• Chlorine, taste & odor, sediment, lead and cyst reduction
• VOCs, volatile organic chemicals including THMs
• Removes dirt and cloudiness including particles as small .5 micron by mechanical means
• Removes particulates including oxidized iron, manganese and sulfides
• Adsorbs common earthy, moldy, fish tastes, and odors
• Enhanced KDF media to inhibit scale build-up that can damage equipment
• Commercial grade filtration, Everpure signature metal canister protects the filter from splitting or bursting
• NSF Certified under NSF/ANSI Standards 42 chemical reduction and 53 certified to reduce cysts such as Cryptosporidium and Giardia by mechanical means
• Uses replacement H-300 replacement water filter cartridge (EV927072)
• MADE IN THE USA

The same commercial quality that makes Pentair® Everpure the overwhelming choice for water filtration in restaurants is also available for your home. Pentair Everpure exclusive precoat filtration technology combines Micro-Pure® and a unique pleated filter membrane. This highly engineered design offers the largest filtering surface area, longer filter life, and consistent performance.

Download the Everpure-H300 EV927070 Filtration System Specification Sheet

Order an H-300 For Mom!

Questions about the H-300 system? Please call us directly at 800-942-7873 or email us directly at info@filterpure.com and Happy Mother’s Day!

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Pentair Everpure’s 2022 Commercial Coffee Brewer Water Filter System Line Up!

As winter continues to drive folks to the hot beverage side of menu this year, operators are also dealing with some very sophisticated taste buds that are demanding much higher quality. A few years ago, only the most dedicated barista paid attention to the acidity, the body, and balance of the coffee they brewed. But as the specialty coffee industry has grown and customers have learned more about what makes “the perfect cup,” expectations have risen dramatically. COFFEE is 98.7% WATER! How a cup of coffee tastes depends as much on the quality of the water as it does on the beans. The right water treatment system lets operators keep water chemistry consistent across locations and dial in the ideal mix of minerals for brewing. In addition to making sure that you are not ruining the taste of the expensive coffee and tea that you have invested in, the right water treatment system can also increase the efficiency of your expensive brewing equipment while protecting it from dirt, scale or corrosion.

According to the Specialty Coffee Association; For a superior quality extraction of coffee solids, the brewing water should have these characteristics:

CharacteristicTargetAcceptable Range
Odor 1Clean/Fresh, Odor free 
Color 2Clear color 
Total ChlorineO mg/L 
TDS 3150 mg/L75 – 250 mg/L
Calcium Hardness4 grains or 68 mg/L1-5 grains or 17 mg/L – 85 mg/L
Total Alkalinity40 mg/LAt or near 40 mg/L
pH7.06.5 – 7.5
Sodium10 mg/LAt or near 10 mg/L

The Entire Family of Made in America Pentair/Everpure Commercial Coffee Brewing water filters are designed to consistently deliver this “superior” quality water while also protecting expensive commercial coffee equipment. These filters have been changing the taste of coffee all over the world providing clear, fresh, premium quality water for consistently great tasting coffee. Everpure’s unique filters utilize a refined activated carbon to eliminate chlorine taste and odor and other offensive contaminants. These filters also save energy by reducing scale build-up. A proportioned scale inhibitor feed inside each filter dramatically prevents limescale from forming in brewing equipment. New and improved Micro-Pure II media with AgION™ antimicrobial protection inhibits any potential bacterial growth inside the filter. With precoat submicron technology, dirt and particles as small as ½ micron in size are reduced, eliminating health contaminants such as asbestos fibers, Cryptosporidium and Giardia. The Sanitary cartridge replacement is simple, quick and clean, and no tools necessary. Internal filter parts are never exposed to handling or contamination. All of these filters are both NSF/ANSI 42 and 53 certified for health effects.

The only real difference between any of the above precoat filter systems above are capacity and flow, (gpm) gallons per minute. The OCS², (Office Coffee System) is designed for small brewers in commercial office settings and features a 1500 gallon capacity with a ½ gpm flow rate. The BH², (Brewer Hot) filter is designed for all commercial brewers, Bunn, Cecilware, Fetco,Wilbur Curtis, etc. requiring a flow rate of ½ gpm or less and features a 3,000 gallon capacity. The MH² ( Multiple Hot) cartridge is also designed to take care of multiple commercial brewers (Bunn, Cecilware, Fetco,Wilbur Curtis, etc ), with a flow rate of 1.67 gpm and featuring a 9,000 gallon capacity paired with the QC7i head, EV9272-41 or 18,000 gallons when used with a QC7i Twin Head, EV9272-22!

For more information on any of the made in America Pentair/Everpure line of commercial coffee water filters please call us at 800-942-7873 or contact us at info@filterpure.com.