"Margolis" wrote in message
...
Your ph is too low to
be natural with that kh. you will not be able to use co2 charts until you
get that additional buffering out of the system.

Margo, thats not true, If I understand it correctly the chart should still
work irrelevant of buffers, you're still adding CO2 to the system!
--
"In the beginning, God said the four-dimensional divergence of an
antisymmetric,
second rank tensor equals zero, and there was Light , and it was good."