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i tested rain water with both the in and out porbes and i got the same reading which was 5 ppm does this mean my rain water is better than the city water i have been drinking :eek: .
i know there...

thanks for the info roxanne.
now i have beend working with this TDS meter i noticed something if i use the probe makerd out i get a reading of 404 and if i use the probe marked in with the same cup...

i just got a DM-1 TDS monitor ... i didnt take time to hook it up in line yet just got a cup of water and put one of the probes in it and got a reading of 404 ppm then i got a cup of filtered water...

ok is 1 mg/L the same as 1ppm ?
the chlorine in my city water is 2.2 ppm
i got a water report from the city
thanks

i have been looking around on the net and found a Ge merlin at first it seemed to be a good system (dont need a tank) ..but when i looked at all the teck stuff it seems that the max chlorine it will...

Hi
i'm a new member here ( this is a very cool site btw )
i have a waterpik model F-5 and i use a model R-7 filter cartridge and was wondering how much better a revese osmosis filter system is than...