fritz rpm

I recently got a new box of RPM Reef Pro Mix, which I have always used. After a few water changes, I noticed my calcium and magnesium falling faster than expected, so I tested the newly mixed saltwater. I mix at 35 ppt (validated with a weekly calibrated refractometer) using a heater and a...

My tank consists only of LPS & Softies. I'm mainly looking for more growth. Should I make the switch? I still have 100G of CR left.

I've been watching the price of Aquavitro Salinity salt go up every time I buy a bucket for the last couple of years. The last bucket I bought had very high Alk that did not match the batch label on the bucket. I've been reading about Fritz Pro RPM and saw it at Aquatic Obsessions so I thought...