使用反渗透过滤器去除多种矿物质。 如果你希望过滤器比较环保，不要使用反渗透过滤器。 自己或请专业人员安装反渗透过滤器。 每1到2年，请专业人员做一次例行维护。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Reverse osmosis filters can be helpful for getting rid of iron, manganese, salt, fluoride, and lead. If you have tested your well water and the results contained many different minerals alongside iron, reverse osmosis is likely the best option.  Reverse osmosis can also be useful for removing trace amounts of arsenic.  One downside of reverse osmosis filters is that, along with harmful minerals, they can also remove good minerals like calcium from your water supply. For every gallon (3.79 L) of