Why does my Filtered water have higher TDS than tap water?
I just installed a DuPont under sink water filter. It’s a single stage with a carbon block filter and it came with its own faucet. Per the instructions I ran 5 gallons of water through the filter before using. I purchased a TDS meter and tested the water straight from the tap it was reading 120 and from the filter its was reading 155. I re-calibrated the meter and the results were similar. I returned the meter thinking its defective. New meter same thing. Returned the second meter and purchased a different brand for more money. Same results. Ran another 10 gal trough the filter no change. Tap reads between107 – 120 and filtered reads 140-155. Does this make sense?
Tagged with: carbon block filter • dupont • faucet • money • tap • tds meter • trough • water filter
Filed under: Carbon Block Water Filter
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You can try sending a e-mail to DuPont but there customer service stinks and you’ll probably never get a response. You might also try soaking the filter cartage in water over night. Chances are with a new setup you just need to run it far a wile before it breaks in. Give it 1 week and check it again.
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