"Wayne Sallee" wrote in message link.net...
Your using RO right? Checked conductivity, or dts lately?

RO/DI - but I am sure my 7" tang can defeat
the purpose of using DI cartridge in one poop.

Measured nitrates today - not detectable, less than 10ppm.

Phosphates - color test did not show anything.
Have to get another test.