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.
I've tried Kalk in my ATO before to try to get my pH higher and I did not like it , my tank was SPS dominated at that time and the Alk fluctuations had RTN problems. I went back to the DIY 2 part dosing, to me it is more controllable dosing system. I know of a lot of people using Kalk with...