That's why I installed a Reverse Osmosis system, too. After the RO filter, I got 15-18 TDS.
Our tap water TDS is 495.Reverse Osmosis filtration water system
所有跟帖:
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这样高啊!绝对的富矿
-傻老头-
♂
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06/12/2017 postreply
10:47:09