Means "moles per liter." Here is the very same point as 1 times 10 on the unfavorable 7 moles, moles for each liter. And now you may be saying, Grab a different filter if you want one, and put together it. Older Brita designs require you to pre-soak your filter https://best-alkaline-bottled-wat01099.bloggerbags.com/22479458/metal-filter-water-bottle-fundamentals-explained