water chemistry

Hello all, Getting back into the hobby and trying a totally different approach from what I am used to. This is posing the challenge of caring for and maintaining chemistry for my SPS corals (ie. Montipora). I have some pretty large colonies which were purchased in a package deal on FB...

Anybody have advice for slowing dying off SPS (especially Acropora)? Over the last few months, numerous species of SPS that were thriving and growing/spreading quite nicely for a long time began to slowly all die back :-( The fish and all other coral species, urchins, anemones, etc. are all...