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Both axes on the graph are "ppm CaCO₃", so why is it 2D?
by deepsun 4y ago
Both axes on the graph are "ppm CaCO₃", so why is it 2D?
- gchamonlive 4y agoThe original paper where the graph comes from is not clear about it either. I think total hardness is calcium carbonate and magnesium ppm, but I am not sure.