If your refrigerator is making dirty or discolored ice, start with the water supply tube and go from there. The most likely cause is old or disconnected water tubing to the ice maker that sat with water in it for months and became stained, so replacing the refrigerator water supply tube often fixes discolored ice. Next check the ice maker assembly and tray; a worn or flaking coating can shed particles into the ice, so replacing the ice maker assembly or tray is a common ice maker repair. Less commonly, dirty municipal water from a flushed hydrant or broken main can briefly discolor ice, so discard the old ice and run household taps until the water clears. Finally, residue from an old water filter can contaminate ice, so swap the filter if it has not been replaced in six months. If you need parts, enter your model number on RepairClinic.com to find the exact replacement water tube, ice maker assembly, or filter that fits your refrigerator.
01 - GE 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 - GE 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.