GoVols
Cobb / Webb - 1989
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My Tank Thread
Yes ghl kh director using ph to measure kh. Ph based kh measurment is one of the best and simplest kh measurments methods in my humble openion.
Agree
The Alka-T gets the job done for my situation
With my cal reactor I only dose up cal about 20ppm once a month.
Run 10% ZeoMAg in stage one, so my mag is always hanging at about 1400ppm.
And I use a salt mix that matches my parameter when doing water changes.
(lol)
Only test cal and mag once every two weeks.
If I still balled or ran 2 part + mag, other options (controllers) could be better the better choice.