Folks, if you've recently upgraded or renewed your annual club membership but it's still not active, please reach out to the BOD or a moderator. The PayPal system has a slight bug which it doesn't allow it to activate the account on it's own.
My mixed reef 180g is just over a year old now. I've been using kalk in the top off. On June 30th my Calcium was 390 and I added 32 tsp of BSR Calcium Chloride (based off BSR calculator) and the next day it was 430. Retested today (July 11) and it was 400 and I added 30 tsp of calcium chloride...