The one downside I have found for this item is after about ten refills if there are still minerals remaining over inside of then the steel will get started rusting so occasionally utilizing filtered bottled spring waters can help. I've only played Heita, Juzley and Greenwood's maps to date... https://remingtonjufqa.blogdomago.com/17330016/getting-my-small-bag-with-water-bottle-holder-to-work