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If so, I need to add something to raise the buffering capacity as well the general hardness and, perhaps, other minerals as well. True?

April 26, 2017buffering minerals raise

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If so, I need to add something to raise the buffering capacity as well the general hardness and, perhaps, other minerals as well. True?

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I’ve seen several products that seem to promise just these things (among them Marc Weiss “R/O-Vital”, Kent Marine “R/O Right”, Seachem “Equilibrium”, and, I think, Dolphin Pharmaceutical “Freshwater Total”). I’m not completely clear on how they should be used, however. I think what I’d like to do is keep the tank water and the water change water at or slightly below a pH of 7.0 and the carbonate hardness around 3-5. I’m not sure where the general hardness should be. I plan to keep the pH stable with a CO2 controller.