How to Clean Your Refrigerator Ice Maker

Why Your Ice Maker Needs Regular Cleaning

Your ice maker collects mineral deposits, mold, and bacteria over time—even though it makes ice. Water that sits in the machine's reservoir and flows through its lines picks up minerals from your tap water, and the cold environment doesn't stop mold from growing in damp corners. If you've noticed your ice tastes off, smells stale, or looks cloudy, cleaning is overdue.

The good news is that a clean ice maker produces better-tasting ice, runs more efficiently, and lasts longer. Most buildup happens inside where you can't see it, so a thorough cleaning every 6 to 12 months keeps everything working as it should. If your water is hard (high in minerals), clean it more often—every 3 to 6 months.

Key Takeaways

• Turn off the ice maker and empty the bin before you start, then locate the water inlet valve under the sink to shut off the water supply.
• Use a soft brush and a 50/50 mix of white vinegar and water to scrub the ice maker's interior surfaces, reservoir, and visible lines.
• Run vinegar solution through the water line by pouring it into the reservoir or using a turkey baster to flush the inlet valve connection.
• Rinse thoroughly with fresh water multiple times to remove all vinegar smell and taste before turning the ice maker back on.
• Replace the water filter if your refrigerator has one, since cleaning doesn't remove all contaminants that filters are designed to catch.

Gather Your Supplies Before You Start

You'll need white vinegar, water, a soft-bristled brush (an old toothbrush works), clean cloths or paper towels, a small bowl or cup, and a turkey baster or syringe if you have one. Some ice makers have removable parts; check your refrigerator manual to see which pieces come out. You may also want to have a bucket or towel nearby to catch water drips.

Do not use harsh scrubbers, bleach, or commercial oven cleaner on ice maker parts. These damage plastic components and leave residue that contaminates ice. Vinegar is safe, food-grade, and dissolves mineral buildup without harming the machine.

Turn Off the Ice Maker and Water Supply

Locate the power switch or control panel for your ice maker—usually inside the refrigerator or on the back of the unit. Turn it off completely. Then find the water inlet valve, which is typically under the sink behind the refrigerator. Turn the valve clockwise until it stops; this shuts off water to the ice maker so you won't have leaks while cleaning.

Empty the ice bin completely and let any remaining ice melt. This gives you clear access to the interior and prevents water from mixing with ice during the cleaning process. Leave the bin out while you work.

Clean the Visible Interior and Removable Parts

Mix equal parts white vinegar and water in a small bowl. Dip your soft brush into the solution and scrub the interior walls of the ice maker, paying special attention to corners and seams where mold hides. Scrub the water reservoir (the small basin where water collects before freezing) and any visible tubing or connectors you can reach safely.

If your ice maker has removable parts—like a water inlet screen, cover, or collection tray—take them out and soak them in the vinegar solution for 15 to 20 minutes. Then brush them gently and rinse under running water. Do not soak electronic components or anything with wiring.

Wipe down all surfaces with a clean, damp cloth to remove loose debris and vinegar residue. Dry everything with a paper towel before reassembling.

Flush the Water Line with Vinegar Solution

This step removes mineral buildup inside the water line that you cannot see. Pour the vinegar and water mixture into the ice maker's water reservoir, or use a turkey baster to squirt it directly into the water inlet valve connection (the small tube where water enters the machine). Let it sit for 5 to 10 minutes so the vinegar can dissolve deposits.

If your ice maker has a manual cycle button, press it to push the vinegar solution through the line. If not, simply let gravity do the work. You may see vinegar drip out the back or into a drain line—this is normal. Repeat this step two or three times with fresh vinegar solution until the water running out smells less like vinegar.

Rinse Thoroughly with Fresh Water

This is the most important step for taste. Pour fresh water into the reservoir and run it through the system the same way you ran the vinegar. Do this at least three times, using fresh water each time. The goal is to remove all vinegar smell and taste before you turn the machine back on.

After the final rinse, wipe the interior dry with a clean cloth. Leave the ice maker off for a few minutes while any remaining moisture evaporates. This prevents the first batch of ice from tasting like vinegar or water.

Replace the Water Filter and Restart

If your refrigerator has a water filter (usually located inside the fridge or under the sink), replace it now. Cleaning the ice maker doesn't remove all contaminants—filters catch sediment, chlorine, and other particles that vinegar cannot dissolve. A fresh filter ensures clean ice and clean drinking water going forward.

Turn the water inlet valve back on by turning it counterclockwise. Listen for water flowing into the ice maker. Then turn the ice maker back on using its power switch or control panel. The first batch of ice may look cloudy or taste slightly off; this is normal. Discard the first two batches and use the third batch onward.

Frequently Asked Questions

How often should I clean my ice maker?

Every 6 to 12 months is standard for most homes. If you have hard water (visible mineral buildup on faucets or shower heads), clean it every 3 to 6 months instead. If you notice cloudy ice, off-taste, or slow ice production, clean it sooner.

Can I use other cleaners besides vinegar?

White vinegar is safest because it's food-grade and won't leave harmful residue. Lemon juice works similarly but costs more. Avoid bleach, commercial descalers, and oven cleaner—they damage plastic parts and contaminate ice. If vinegar doesn't remove heavy buildup, the water line may need professional flushing.

What if my ice maker has a self-cleaning cycle?

Some newer models have a built-in cleaning mode. Check your manual for instructions. Even with a self-cleaning cycle, manual cleaning of the bin and visible parts is still worth doing every 12 months, since the cycle usually only flushes the water line.

Why does my ice still taste bad after cleaning?

The water filter may be clogged or expired. Replace it first. If the taste persists, mineral buildup may be deeper in the line than vinegar can reach—a service technician can flush the line with commercial equipment. Also check that you've rinsed thoroughly enough; vinegar taste lingers if not fully removed.

Can I clean the ice maker while it's running?

No. Always turn off the ice maker and shut off the water supply before cleaning. Working on a running machine risks electrical shock and water damage, and you won't be able to clean effectively.