Whats the best way to keep a steady alkalinity level. I am currently using the Seachem reef fusion 2 part calcium alkalinity dosing, but if I miss a day it will drop from like 9kh to low 8's or 7 in a day. I have a refugium with cheato and I have my skimmer air plumbed outside so I keep a stable 8.2 -8.3 ph but the alkalinity seems to be all over the place sometimes? My substrate is oolitic aragonite so I would think that would help buffer some and I use RODI water and Fritz RPM salt mix. Thanks for any input!