Product review (5 stars): Great idea and it doesn't take up any valuable freezer space
What a great little product. About a month ago my son suggested freezing water in a cup and putting a quarter on top to do just this. The problem with that is space and keeping the cup upright. This is perfect!
My freezer is always packed to capacity and this is really small at just about 3" tall. It hooks to a shelf in the door and takes zero shelf space! Just fill to the line, freeze and insert ball. If the power goes off and (with water partially melted) the ball is half way to the bottom the food is questionable. If you see it on the bottom of the bottle, throw out your food. Simple, cost effective and small. Overall, I'm really pleased with this Freezer Meter.