If your refrigerator ice is dirty or discolored, start with the most likely causes: stained or stagnant water supply tubing and plumbing to the ice maker can discolor ice after a long period without use or after the line was disconnected, so replacing the water supply tube often fixes the problem. Next check the ice maker tray and assembly—coatings on older trays can corrode and flake, leaving chunks or dark flecks in the ice, so replacing the icemaker or tray may be needed. Less commonly, dirty municipal water from a flushed hydrant or broken main can temporarily foul ice; discard the old ice and run a kitchen faucet until the water clears. Finally, residue from an old water filter can contaminate the supply, so replace filters every six months. If you need parts, enter your model number on RepairClinic.com to find the exact replacement part for your refrigerator and get step-by-step ice maker repair guidance.
01 - Montgomery Wards 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 - Montgomery Wards 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.