It wasn't an increase in a day~I had been dosing Magnesium at 8ml daily for a week to combat Bryopsis however being unable to test for Mag levels I stopped dosing with it~4ml daily of Kents Part A&B at the same time I was dosing with Mag~After stopping the Mag I did a 1g WC~tested and my cal reading was 440~I'm sure the Mag dosing had something to do with the raise in cal levels~I don't know the chemistry of SW therefor I really don't understand the the correlation between Mag/Cal dosing. Does this make sense?
Update as of 11-21: Tested cal and readings are 400 after having dosed this morning with Mag and cal.