Lance's 225 gal tank

[Lance]

Originally Posted by lastlight

I would have suggested checking with another test kit but if all 3 went nuts since your last test then something must have really changed. You'd think you'd notice a bunch of unhappy corals if your consumption changed THAT much? At least it's easy enough to deal with but it'd be nice to know wth happened.

I did double check: Salifert and Elos kits. Mg levels are fine, it's the Ca and Alk that went wonky. Like you say, it's an easy fix, it's just baffling as to what would cause it.