Terry G. Thank you. I was excited to see these,I think they are from different countries,,I did not know the best way to clean them so I tried baking soda and vinegar,you need to be careful when these are mixed as it rises quickly,,temps outside are starting to get lower,,how is things by you,My wife is looking into getting a small 500 gram scale for me,do you think that will work ok for me ,,,Happy Hunting