no particular brand. Just go slow with the vinegar. It does make the kalk a lot more potent. Monitor your PH as a precaution.
Here is the tank on Sep 25th with new 250w 20k helios bulb. The upgrade to 250w has increase the growth rate of most corals in the tank.
whats the SPS behind the setosa?
Sorry to hear about the AEFW... Still your tanks looks great.. I always enjoy seeing your tank regardless of the conditions... Your my IDOL