what's the difference b/t these two, besides their ingredients? In what situations would I use the one but not the other?
Seems like the silver is more popular, but I want to know...is there a difference aside from price (copper is usually 4-5 dollars more)
thanks in advance
Seems like the silver is more popular, but I want to know...is there a difference aside from price (copper is usually 4-5 dollars more)
thanks in advance