No I did not calibrate the thermometer using the saline solution. But I figured out if it was really off by a huge margin it would have had a big impact on lps and all of my black widows as they sensitive to salinity swings.
All my all dosing is done at night or when lights are off. But dosing 8ml or 10 ml a day is not gonna make a huge impact.
Raising nitrates was done over like a week ago and not a month.
No other changes were made to the tank, no additive or salt change or anything. I dosed red sea ab+ for a few days at 1ml a day for a 85 gallon system then started noticing some very slight burnt tips on the acro colony so I stopped it ever since. No other new thing introduced to the syste