Usually, we design the configuration for customers according to the water problem and request standard, this one just for your reference. One water treatment machine cannot handle all the water problem. So dear friend, please feel free to let me know your water. Here you can reach me: Email: natasha.xie@yahoo.com Tel/wechat/whatsapp/skype: + 86 181 4507 9951 QQ: 2731365218