best way to lower calcium?

[legacyline]

trying to get my calcium level to 420 what is the best way to lower it? sould i just add alk part for a few days while the calcium drops? I'm using brs 2 part thanks for any advise

cal 480-490
alk 8.5
mag 1430

[nereefpat]

Your Ca is fine where it is.

If you want to lower it, yes, just don't dose Ca for a while. The only other way would be water changes with a lower Ca salt.