Understanding ph/kh and co2 levels
So let me start by saying that I'm about 8 months into using pressurized co2 and I never looked into the correlation between co2 ppm and kh. I've always been under the impression that I should be shooting for about a one point drop in ph to achieve roughly 30ppm of co2. I just stumbled upon a co2 calculator on Rotala Butterfly and the co2/ph/kh table on the Barr Report. Looking at the chart, my understanding of it shows that I only need around a .2 drop in ph to achieve 30ppm of co2. The baseline ph of my water is 6.8 and at peak co2 my ph is around 5.9 and with my kh of 4 this shows me as having a co2 ppm of over a 120, is this possible?
I know you really want to have your co2 levels to be non-limiting, but is there a point where it is too high in regards to how plants react? With it being too high can this cause an imbalance within the aquarium?
Just a noob
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