Well, thanks for your calculations and information. I dissolved 160g of the AFR powder in 900ml as stated on the manual. They say this will give you 1Litres of solution.
So maybe it is because I used 900ml and not 1 Litre?
Still, Id need more then 4ml to raise Alk by 1 dKH…
I will just stop dosing for 24hrs and then re-test the alk with salifer and hanna.
Yes, I stopped everything else.. hopefully I didnt pump my old dKH liquid into the tank by emptying the siphon hose when adding AFR….Because I remember that I did into a glass..
I am using Tropic Marin Pro Reef Salt..
If my Alk still is high today after 24hrs I will do a WC