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billfish

test for tds in water

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ive got an underbench water filter and its a 2stage one is carbon the other is a cartridge filter i was wondering what the best way to test for dissolved solids and such in the filtered water , i know its isnt purified just filtersd so was wondering what these filters take out and to what degree

the filter is a Pura dura twin if anyone has any info it would be much appreciated

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I'm with Hellboy, a TDS meter wont tell you anything about a carbon and/or pre filter. I just tested my 0.5 micron carbon filter - pre filter (tap water) 79ppm, post filter (filtered water) 78ppm. A TDS meter is best suited to RO or ion exchange filters.

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