So I have the HM-3 digital TDS meter. Filter guys sell it for $24. I see there are other options, much higher price and probably better.
What is the difference? Is the cheap one good enough? I am guessing the difference is ATC, but how much of a difference does this make?
http://www.thefilterguys.biz/tds_meters.htm
Thanks for the help/
What is the difference? Is the cheap one good enough? I am guessing the difference is ATC, but how much of a difference does this make?
http://www.thefilterguys.biz/tds_meters.htm
Thanks for the help/