best water purifier for hard water

{"cid":"91217791","title":"Food Grade Shower Limescale Filter Vitamin C Infused Shower Head Hard Water Shower","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/f4\/d2\/c6123d25b9b0f900de2405d179a3-200x200-1.jpg","attrs":{"Price":"Negotiate","Brand Name":"Briskspring","Model Number":"M9HP-BS","Minimum Order Quantity":"500pcs","Delivery Time":"10-20 days","Place of Origin":"China","Payment Terms":"Western Union, L\/C, T\/T","Packaging Details":"15million sets products per month","Items":"Detachable Shower Head","Brand":"Briskspring","Style":"Handheld","Model":"M9HP-BS","Filter":"SS filter, vitamin C, plant fragrance extract","Wading Parts":"Food Grade","Color":"Pink","Connectors":"Standard 1\/2 inch NTP"}}

{"cid":"91198469","title":"1.1-30kw Reverse Osmosis Water Treatment with One Year Warranty Dimensions Vary","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/98\/a4\/dee137369eb747bf4867628e9df7-200x200-1.jpg","attrs":{"Brand Name":"LABELONG","Place of Origin":"CHINA","Temperature":"Room Temperature","Features":"Treat Dirty Water","Dimensions":"Depends","Weight":"Depends","Type":"Reverse Osmosis Water Treatment","Pressure":"0.1-0.5Mpa","Voltage":"220v\/380v","Capacity":"500L-50T"}}