I have bought a few corals from a LFS that is amazing in the last few months but have two specific questioned purchases. For these purchases I tested alk upon arriving home and both purchases, the alk of the LFS water was super low. 4.85 today and 5 for the last one. The previous purchase was a month ago and died pretty quickly even though I raised the alk over several days. Today’s purchase is a goni and a green star polyp. I have them in an acclimation box but what’s the best way to raise alk without killing them? Mostly the acclimation box is too small for even the smallest power head I have so how to keep water moving?
I did get a Goni from the same store between these two purchases and just acclimated it to temp and then added it to my tank without testing. It’s doing ok. It did have a bald spot that wasn’t apparent until I got home as they had it facing the back side. It doesn’t seem to have gotten worse.
Second question: should I do something about the bald spot on Goni in pic? It’s hard to say if it’s gotten worse but would like to properly treat it if needed.
And please, before it comes up, the LFS is one of the best selections in my area. Not shopping there is really not an option.

I did get a Goni from the same store between these two purchases and just acclimated it to temp and then added it to my tank without testing. It’s doing ok. It did have a bald spot that wasn’t apparent until I got home as they had it facing the back side. It doesn’t seem to have gotten worse.
Second question: should I do something about the bald spot on Goni in pic? It’s hard to say if it’s gotten worse but would like to properly treat it if needed.
And please, before it comes up, the LFS is one of the best selections in my area. Not shopping there is really not an option.
