I have a fairly large colony of zoas that I’ve had for a long time. Recently upgraded my tank in November. I did have a major alk swing that I noticed in mid February. But this has occurred within the last two weeks. I dipped it in Coral RX on Monday and it looked a little better, not all the way.
Sal- 1.026
Cal- 514
Mag- 1320
Alk- 7.6
PO4- .0031
Temp- 78
Sal- 1.026
Cal- 514
Mag- 1320
Alk- 7.6
PO4- .0031
Temp- 78