I have a little over 400 gallon of water in my system. My reef is mixed but I have very large LPS and SPS colonies in it. My Alk has been swinging a lot lately and I'm struggle to get it stable. I have used a Kalkwasser reactor for years but I am wondering now if it is just not enough. my calcium is always 400-420.
If you have a tank over 180 gallons what are you using to keep you Alk and Calcium Up?
Calcium Reactor
Kalkwasser
Two Part
Other
If you have a tank over 180 gallons what are you using to keep you Alk and Calcium Up?
Calcium Reactor
Kalkwasser
Two Part
Other