If you can assist me in this calculation, I’d be happy to figure out my daily demands for everyone so they can make any direct comparisons.
Sure thing! You likely know a lot of this already but, just typing it out regardless:
So the simplest place to start would be to test your Alk at a set time (8pm for instance). Don't dose anything for the next 24 hours. Test again at 8pm the next day. This will give your daily drop of alkalinity, which is a start and useful to know. Although once your corals are growing, the tank can take in more than it would drop, as the more it has, the more it wants (up to a point).
Personally, I've found the printed dosing recommendations on most products to just be ballpark values. Use them as a starting point but then test the results for your application.
To test the potency of your alk solution, dose a set amount (5 mL of xyz solution for instance) wait 10-15 minutes and test again. The tank water dKH should have increase. The amount it increased is the potency of the mL you dosed to your tank volume. This can be done several times over a week or 2 to work out an average. So let's say you dose 5 mL of xyz product and the alk goes up 0.2 dKH, you do it again a day later, it goes up 0.18 dKH, you do it again a week later and it goes up 0.21 dKH. Now you know 5 mL per your tank volume of xyz solution will raise your alk by 0.2 dKH. 10 mL would raise it 0.4 dkH and so on.
For instance, I dose Alkalin8.3 to my tank. 1mL raises my Alk by 0.0533 dKH per 60L. This helps me know exactly how much to increase my daily dose by if it drops, or how much to decrease it by if it rises. I also know that if I dose 20 mL I've dosed the equivalent of 1.066 dKH per 60L.
If you mix your own 2 part solutions, it's worth getting a kitchen scale to measure the water and powder solution. 1g = 1ml. Weigh out your ingredients and write the values down somewhere, so the next time you mix it you can mix it EXACTLY the same, down to the gram.
If you dose kalk you can also use a calculator like this one:
https://www.hamzasreef.com/Contents/Calculators/KalkContribution.php
In my case I dose the equivalent of 2dKH of fully saturated kalk per day, with 1dKH being added to the tank by 2 part dosing. So about 3dKH dosed per day.
Oh and just to reiterate, my original post was in no way meant to be negative to anyone in this thread. Just remarking on how sometimes people will brag about how many mL they dose, when those numbers are irrelevant, given that different products have different potencies. 100 mL of Aquaforest Components 1,2,3 for instance is very different than 100 mL than Triton Core 7.