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Re: TDS meter range



Al,

"ppt" means "parts per thousand". These conductivity meters are commonly used in
sewage plants and other locations where water contains high concentrations of
dissolved solids. Such meters aren't really useful for soft water aquaria
because the lowest reading is 1 ppt or 1000 ppm (~ 1000 ÁS in soft water).

Mike Wise

AL SMITH wrote:

> TDS meters come in different ranges..some are ppm 0-1999 ppm and some come
> in ppt 0-10.00 ppt..what is ppt and is the range 0-10.00 suitable for
> aquarium use...I was just wondering as I can get a meter but it is 0-10 ppt
> and I never seen this form of readout before...my old conductivity meter was
> in microsiemens...the resolution is 0.01 ppt on the meter I am looking
> at...any info would be greatful....
>
> Al
>
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