I wouldn't worry too much about iodine at .02. That seems to be an element that, as long as it's not 0, you should be ok. I dosed it for a while because mine had gotten to 0, but you have to be careful. There are two forms - iodide and iodate - and if you're not testing both, the iodate can sneak up on you and you wind up with a total level way too high.