U can don't use but long run U got many other problem I have been using tap for 7month but my diatom Alage problem can't cure until I start use rodi now this problem gone U can try don't use Until got problem then use some people don't use no problem have to see luck. I bought 4stage new set from carosell for 170 cheap and good from my tap 99tds down to 2 tds
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