Your guests notice a warm drink, a flat soda or a cloudy cup of ice. They don’t notice the water behind it, until something goes wrong. In restaurants, convenience stores, theaters and hotels, ice goes into almost every drink you sell, and it is only as clean as the water and the machine that make it.

Here is what can hide in unfiltered ice, what it costs your business, and how the right ice machine water filter and commercial water filtration system protect your guests, your drinks and your equipment.

Ice is food, and inspectors treat it that way

Both U.S. and Canadian health codes define ice as food (FSR Magazine). That means your ice bin is held to the same standard as your walk-in cooler. Mold or slime in an ice machine is one of the most common findings in restaurant inspection reports, and one of the easiest to prevent.

What’s really lurking in your ice

Bacteria and mold. An ice machine is cold, dark and wet, which is exactly where slime and mold grow. Airborne yeast and dust feed it. One study of Las Vegas restaurants found presumptive coliform bacteria in 72.2% of ice samples (Total Food Service).

Sediment. Rust, sand and fine particles from aging pipes pass through city water treatment. They cloud your ice, clog distribution tubes and wear out pumps, valves and float switches.

Chlorine taste and odor. City water is treated with chlorine. It is safe, but it comes through in ice, coffee and fountain drinks, and guests taste it.

Scale. Calcium and magnesium in hard water build up on the evaporator plate and in water lines. Scale isn’t a health hazard, but it is an equipment killer: one ice machine distributor reports that scale breaking loose is how more than half of all ice machine service calls start (KaTom).

What dirty water costs your business

• Failed inspections and liability. Contaminated ice can make guests sick, and a citation for a slimy ice machine is public record.
• Bad-tasting drinks. Ice melts into every drink. If the water tastes off, so does your soda, tea and coffee, and so does your brand.
• Service calls and downtime. Scale forces repairs and shutdowns, usually on the busiest day of the week.
• Shorter equipment life and lost warranty coverage. Some manufacturers tie extended warranties to filtration. Ice-O-Matic, for example, offers a 7-year evaporator warranty when a qualifying filter system is used and changed on schedule (KaTom).

Signs your ice machine needs better filtration

Most filtration problems show up in the ice before they show up on an invoice. Watch for these warning signs:

• Cloudy or soft ice. Clear, hard cubes come from clean water. Cloudy ice usually means dissolved minerals or sediment.
• Off tastes or odors. If guests mention a chlorine, metallic or musty taste in fountain drinks or iced coffee, the water is the first place to look.
• White crust on the evaporator or bin. That chalky buildup is scale, and it will keep growing until it causes a breakdown.
• Slower ice production. Scale insulates the evaporator plate, so the machine works harder and makes less ice.
• More frequent service calls. Repeat repairs to valves, pumps and float switches often trace back to sediment or scale.
• Pink or black slime. Visible growth means the machine needs a professional cleaning now, and better filtration to slow it down next time.

If you see two or more of these, it is time for a water test and a filtration check.

How an ice machine water filter protects your ice

A commercial filtration system treats water before it reaches your ice machine, fountain dispensers and coffee brewers. Depending on your water, that can include:

• Sediment filtration to catch rust and particles before they reach your equipment.
• Carbon filtration to remove chlorine taste and odor.
• Scale inhibitors or water softening to protect the evaporator and lines from hard-water buildup.
• Reverse osmosis where water quality calls for it, such as very hard water or specialty coffee programs.

The result is clearer, odor-free ice, drinks that taste the way the brand intended, and equipment that runs longer between repairs.

A simple ice machine maintenance schedule

1. Every week: staff wipe and sanitize the ice bin and scoop, and keep the scoop out of the ice.
2. Every six months: replace your ice machine water filter cartridges. Most manufacturers recommend at least twice a year, and more often in dusty or yeasty kitchens (FSR Magazine).
3. Twice a year: have a technician professionally clean, descale and sanitize the machine.
4. Once a year: review your water quality, especially if you notice cloudy ice, scale or more service calls.

Why operators work with Vivian

Vivian Company has supplied, installed and serviced commercial food service and beverage equipment since 1923. We design and install commercial water filtration systems for restaurants, convenience stores, theaters and hotels nationwide, matched to the local water and the equipment it feeds: ice machines, fountain systems and coffee programs.

We can also keep it running for you with maintenance and service programs and water softener salt delivery, so filtration never becomes one more thing to remember.

Find out what’s in your water

Not sure what’s in your ice? Request a quote or schedule service, and our team will recommend the right filtration system for your locations.