All for reef, 1ml in 55 us gallons.

[Hans-Werner]

It’s just not actually correct to say AFR is 6 dKH in 1 mL.

Yes, I agree, but which would be the correct way to say it and which would be understood better by the "average" user? :)

 

[Randy Holmes-Farley Verified Community Expert]

Yes, I agree, but which would be the correct way to say it and which would be understood better by the "average" user? :)

Well, that may depend on how smart they are. lol

I’d think saying the alk is 6,000 dKH allows folks to do their own dosing and dilution calculations just like saying calcium is 43,000 ppm. :)