Posted by a reviewer on Amazon

Thats the reason for 4 stars

Posted by a reviewer on Amazon

You have to get the hang of working around them because they try to escape

Posted by a reviewer on Amazon

I heard one bounce across the floor never to be seen again while i grabbed another as it attempted a getaway down the waste disposal

Posted by a reviewer on Amazon

Did a 24 hour cook and lost no water at all

Posted by a reviewer on Amazon

I understand the concept and they seem to work in a smaller vessel the problem i have is the vessel is to large so the balls do not cover the whole top

Posted by a reviewer on Amazon

I see no evaporation at all

Posted by a reviewer on Amazon

I docked a star because the product lists 300 count but we only received 296

Posted by a reviewer on Amazon

The water level stays the same and the temp does not vary as much