Granita and slush machines hold sugary mixes that feed bacteria and mold if they are not cleaned right. Residue collects in the bowls, augers, seals and dispensing valves. A regular cleaning and sanitizing schedule keeps drinks safe and keeps the machine freezing evenly.
See also the Coldline GRANITA-2X granita machine.
Manual, Power and Products
Start with the manufacturer’s manual for your granita machine. It lists the parts that come off, how to remove bowls and augers and which cleaners are safe for the plastic. Turn off and unplug the machine before removing parts. Use food-safe detergent and a food-contact sanitizer per the label. Avoid harsh chemicals that can cloud or crack clear bowls.
How Often
Follow the manual and local health department rules. Many operators fully clean granita machines at least weekly, and more often for dairy-based mixes, which may need daily cleaning. Wipe the exterior and dispensing area daily.
Step 1: Empty the Bowls
Turn off freezing and let the mix thaw slightly. Drain the remaining product through the dispensing valves. Discard or store it per your food safety rules.
Step 2: Rinse
Fill each bowl with warm water, run the auger to circulate it and drain it. Repeat until the water runs clear.
Step 3: Disassemble
Unplug the machine. Following the manual, remove:
- The lids.
- The bowls.
- The augers.
- The dispensing valves and handles.
- The seals and gaskets.
- The drip tray.
Step 4: Wash, Rinse, Sanitize
- Wash all parts in warm water and mild detergent. Use soft brushes for valve openings.
- Rinse in clean water.
- Sanitize per the label.
- Air dry on a clean surface.
Step 5: Clean the Evaporator and Body
Wipe the evaporator cylinders and machine body with detergent, rinse and sanitize. Do not spray water into the electrical areas.
Step 6: Lubricate and Reassemble
Many machines need food-grade lubricant on seals and gaskets. Use only what the manual specifies. Reassemble the parts and check that the bowls seat tightly with no leaks.
Check the Condenser
The machine needs airflow to freeze well. Clean the condenser filter or grille per the manual.
Model Examples
A single bowl machine like the Coldline GRANITA-1N single 1 bowl pourover granita machine cleans quickly. Double and triple bowl machines like the Coldline GRANITA-2N double 2 bowl pourover granita machine and the Coldline GRANITA-3N triple 3 bowl pourover granita machine take longer, so clean one bowl at a time while others keep running if the manual allows.
Signs You Need to Clean Sooner
- Sour or off smells.
- Visible mold at seals.
- Leaks at the valves.
- Mix that does not freeze evenly.
Handle the Mix Safely
Follow the mix maker’s directions for dilution and storage. Store opened concentrate as its label directs, usually refrigerated. Never top off an old batch with new mix. Drain, clean and start fresh so older product does not sit in the bowl for days. Keep a small log of cleaning dates and mix changes for each bowl.
Parts to Keep on Hand
Seals, gaskets and valve O-rings wear out with repeated cleaning. Keeping spares means a torn seal does not shut down a bowl during a busy weekend. Check the manual for the correct part numbers for your model.
Next Steps
If your machine leaks or will not freeze even after cleaning, compare models in bar equipment and bar refrigeration. Questions? Contact Express KitchQuip and we will help you pick the right size and configuration.
Models in this guide at a glance
The models linked above are listed here with the main points from each product page, so you can compare them side by side before opening the full listings.
Coldline GRANITA-1N Single 1 Bowl Pourover Granita Slush (model GRANITA-1N)
- Brand: Coldline
- Machine – 3 Gallon Capacity
- Adjustable Slush Mode
- Flavor Consistency Guaranteed
- Warranty: 5-Year Compressor / 1-Year Parts & Labor
Coldline GRANITA-2N Double 2 Bowl Pourover Granita Slush (model GRANITA-2N)
- Brand: Coldline
- Machine – 6 Gallon Capacity
- Adjustable Slush Mode
- Flavor Consistency Guaranteed
- Warranty: 5-Year Compressor / 1-Year Parts & Labor
Coldline GRANITA-3N Triple 3 Bowl Pourover Granita Slush (model GRANITA-3N)
- Brand: Coldline
- Machine – 9 Gallon Capacity
- Adjustable Slush Mode
- Flavor Consistency Guaranteed
- Warranty: 5-Year Compressor / 1-Year Parts & Labor
Before you order
- Measure the space and every doorway on the delivery path, and compare them with the dimensions on each product page.
- Check the spec sheet for power, gas or water requirements and match them to what your building has.
- Compare capacity with your busiest day rather than your average day.
- Read the warranty terms for the brand before you order.
Delivery, warranty and payment
- Delivery: delivery within the continental US is included in the price on the product page, and freight orders include liftgate service.
- Warranty: each product carries its manufacturer warranty. Terms by brand are on our warranty page.
- Financing: lease-to-own financing through Clicklease is offered on items of $500 and up. See how financing works.
- Quotes: buying for a business and need a written quote? Call +1-877-558-2253 or use our contact page.
Not sure which model fits?
Call +1-877-558-2253 with your space, power supply and daily volume, and we will help you narrow it down.