Why can I not keep SPS alive?

Hello,

what is your TIN level in your ICP test?
Probably this is a reason and not salinity. Probably your new digital refractometr is wrong, but your old not digital refractometr is good, since with 1,060 s.g. your fish should be die.

Good luck with your reef.
 
Something I have done from day 1 in the hobby is test the salinity of the water that new fish or frags come in, very easy way to make sure my Salinity is in check.
 
Something I have done from day 1 in the hobby is test the salinity of the water that new fish or frags come in, very easy way to make sure my Salinity is in check.
I did day one but frags don't care, they always prefer my water right away, I stopped acclimating incoming frags and worrying about incoming salinity, even on fish but I acclimate them to salinity with time.
 
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