New to Dosing Ca, Mg and Alk...and would like some advice

[greyreef]

You having any calcium deposition on equipment? Any precipitation of calcium?
That Magnesium seems awful low, and with your sps and use of ca, agree you need to first increase mg, otherwise other parameters wont go up
Read advanced aquarist article on reef parameters farley holmes
Here is link
http://www.reefkeeping.com/issues/2006-06/rhf/index.php
Good luck!