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bertoni · 04/26/2017, 03:59 PM

That alkalinity range is small, and I think it's stable enough for our purposes. I think the noise limits in our test kits.

Assuming you are using the recipe 1 two-part, and there's about 200 g of total water volume in the system, it'll take about a liter of supplement to raise the calcium by 50 ppm:

http://reef.diesyst.com/chemcalc/chemcalc.html

I might try dosing 500 ml as a first shot. Of course, you know more about the total water volume than I do, as well, so you might need to fix that guess.

04/26/2017, 03:59 PM	#14
bertoni RC Mod Join Date: Mar 2002 Location: Mountain View, CA, USA Posts: 88,616	That alkalinity range is small, and I think it's stable enough for our purposes. I think the noise limits in our test kits. Assuming you are using the recipe 1 two-part, and there's about 200 g of total water volume in the system, it'll take about a liter of supplement to raise the calcium by 50 ppm: http://reef.diesyst.com/chemcalc/chemcalc.html I might try dosing 500 ml as a first shot. Of course, you know more about the total water volume than I do, as well, so you might need to fix that guess. __________________ Jonathan Bertoni