When your refrigerator is making dirty or discolored ice, start with the water supply tube to the ice maker, because stagnant water left in a disconnected or unused line for months commonly discolors the tube and taints cubes, and replacing the water supply tube often fixes the problem. The next likely cause is the refrigerator ice maker assembly: older icemaker trays with a coating can corrode or flake and leave particles in the ice, which means replacing the ice maker may be necessary. Less common is dirty municipal water from a flushed hydrant or broken main, so run a nearby faucet until the water clears and discard the old ice. Finally, residue from an overdue water filter can carry into the ice, so swap filters every six months. Enter your model number on RepairClinic.com to find the exact water line, ice maker assembly, or filter that fits your refrigerator and get parts plus step-by-step ice maker repair guidance.
01 - Universal Refrigerator Water Supply Tube
During normal use the water supply tubes will have water flowing through them keeping them clean. If the water supply gets disconnected or water is left in the tube and not used for 6 to 12 months, it can become discolored. If the water at the other faucets in the house is ok and you have replaced the water filter you may need to replace the water tubing to the ice maker to resolve the issue.
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If the icemaker tray has a coating, the coating may be wearing off. If you are getting pieces or chunks of material stuck in the ice, check the ice maker tray. If the coating on the tray is corroded and flaking off, replace the icemaker.
A fire hydrant that was flushed or a broken water main can cause dirty water to enter the home. Since the ice maker uses the same water supplied to the kitchen or bathroom faucets, dirty water can discolor the ice. Discard the old ice and run the water for awhile at the kitchen or bathroom faucet until the water clears up before having the ice maker make new ice.
Less Common
04 - Universal Refrigerator Water Filter
If the ice being dispensed is dirty, it's possible that residue from an old water filter is getting into the water being supplied to the ice maker. Water filters should be replaced every six months for optimum water filtration.