Just mixed up some IO, Ca not so good

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Going to start trying to push up my Ca by supplementing along with the Ca reactor so figure a water change then get some good baselines.

Aerated and heated 20g ro/di for a couple of days, added salt Friday, brought up SG fr 1.023 to 1.025 yesterday and measured today (Sunday).

CA 325ppm (using Salifert and Elos)
Mg 1100ppm (ELOS)
Alk 11.2dKH (Salifert)
SG 1.025 refractometer.

Bought so many pails of salt the years so unsure when this pail was purchased but goes to show can't assume the Ca is that magic 425ppm.