What ratio do i use to balance alk and ca using red sea foundation liquid A and B my tank is approximately 42 gallons and would like to raise my alk from 8dkh to 9 dkh without reducing my calcium which is currently 425 ppm currently and would like to keep it there. Fyi my mg is 1350ppm. As far as i am aware im not meant to dose 1:1 as they are different concentration