White particles in ice are usually just hard water minerals.

White particles floating in your ice or water are almost always harmless mineral deposits — calcium and magnesium from hard water. Not mold, not plastic, not something broken.

Here’s what’s happening: hard water has dissolved minerals. When water freezes or sits in the ice tray, those minerals can crash out and form little white flakes or cloudy bits. It’s the same stuff that leaves chalky spots on your glassware. Totally safe to drink, just not pretty.

If it suddenly started happening, it’s worth checking the ice maker itself. Old scale can build up inside the machine and flake off into