..... but just to be certain ill test the Kh of a quasi control tank a
10gallon with
nitrate levels of 200ppm i put an already established coil onto it from
another tank. the
Kh was 11dkh its been going sence 16:00pst ill test again at 21:00pst then
sometime
tomorrow and post all the #'s btw its a large coil and will circulate the
tank water in
aprox 2 hours. I might check it then just to see what the #'s come out as,
but wont post
them at that time.

Any results Richard?