Time to ask for help

[Reefmaster]

ok, this *^&#$ reactor has me puzzled. i know there are some out there who entirely understand the chemistry involved and if i had time i might look into it, but i don't, so i'm looking for the idiots guide to tuning a reactor.

details
precision marine 622 (the big beast) on a mod stocked 135g (total volume 200g)
co2 - 50 to 60 bbm
effluent - 50 ml/min, ph - 6.5
alk usually about 3.0 meql
calcium levels high, 480-500 (not yet precipitating)
tank ph ranges from 7.6 or 7.7 to 7.9

have been dosing kent pro buffer dkh but this is b.s. the reactor should be looking after alk too. using a.r.m. media.

all the corals are doing ok, but not getting the sps growth that i hear others are getting. lighting is 3x400W and all other param's are good.

i would like the stupid steps to get the alk and ph up on this system cuz its clear i'm not getting it on my own. thanks all. shane