I received these filters and when I installed them tds for some reason didn't settle down. The lowest tds that came down after the fillers were installed was about 8 and when water was left in the system overnight the tds went up to 12 or 15 and it wasn't the diaphragm because I bought a new diaphragm and it still is did the same thing i used to see with the original crystal pure filters i use 0 tds but i couldn't find them so i bought these filters as i have money not only for these filters but also for the diaphragm because the original diaphragm I had was all right.
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