I'm at 165 mL of Alk and 162 mL of calcium a day using... can't remember the brand. One of the ones that comes in boxes and costs too much money. Mixed according to their instructions weighed out with a food scale.
I find it keeps my alk and calcium balanced, but as my tank has recovered from it's most recent disaster, I'm finding I can't keep on top of it either. I up the rate by 10 mL every week, and adjust it after the water change, but I've been having a hard time keeping it above 7. Calcium hovers between 360 and 400.
The amount you dose will have a lot to do with the concentration of your solution, what product are you using and what are you mixing it at (g/L)?
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