I generally recommend 7-11 dKH (2.5-4 meq/L).
Some folks with SPS corals who are driving nutrients very low (ULNS) seem to need to keep alk at the lower end of that.
This has more:
Reef Aquarium Water Parameters
http://www.reefkeeping.com/issues/2004-05/rhf/index.htm
Some folks with SPS corals who are driving nutrients very low (ULNS) seem to need to keep alk at the lower end of that.
This has more:
Reef Aquarium Water Parameters
http://www.reefkeeping.com/issues/2004-05/rhf/index.htm
