as shnabbles said, if you buy water - test it ... i'll add to that .... if you make water - test it
when you do get a unit, consider spending the extra $ to get a TDS meter with it ... the inline, 2 measuring point meters are great for monitoring the health of your system, but even a hand held unit is worth the extra $
when you do get a unit, consider spending the extra $ to get a TDS meter with it ... the inline, 2 measuring point meters are great for monitoring the health of your system, but even a hand held unit is worth the extra $
