Sorry for not providing all the information. This is all making me more confused.
I am dosing Calcium, Alk and Magnesium with a 2 part dosing system and an automated doser. I am testing for the above as well as phosphates (which are not measurable in my system anymore) and occasionally nitrates. My controller also measures PH. I do have pretty low nitrates but am getting some algae growth so I added bio-pellets. All other parameters are right in the range of the above mentioned article which I often consult.
What is KH and how does it interact with Alk and PH? I am having a hard time finding any info on KH specifically.
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