Some of these upcycles can also be done with metal and silicone trays. Whichever type of ice maker ... If not, you can create a makeshift lid with a sheet of cardboard. Not only can an ice cube maker ...

Most ice cube trays are made of plastic that can warp at high temperatures, making them not dishwasher safe. Silicone trays handle heat better, so you can get away with chucking them in the washer ...