i can't stand for either my pH or alkalinity to be too high
Keep in mind that the "appropriate" levels are not set in stone and are relative to different circumstances. I don't believe your alk
levels will cause any issue with you adding corals. Rather than continued attempt to dose the tank (which I believe can cause more harm than good) to reach a specific number, if it were my tank I would allow the natural acids in the tank to slowly lower the alk
and just continue to test and dose for calcium if needed.
In the meantime, I would evaluate why my alk
was that high....water source, buffering, etc. and take actions as necessary.