My SG range between 1.020 - 1.021, PH reading = 8.3
me using red sea salt and is not a fresh pack, so don't likely due to the salt.
so far 5 fishes had gone liao, bi-color angel, flame angel, dottyback, brown tang and sixline. Clown fish still hiding, gold head sleeper goby, powder blue and unknown wrasse seen to be ok.