ok guys, I could use some serious dosing advice cuz I'm having trouble getting my alk and calc to balance. I think the fact that I'm using all Seachem products might be partially to blame for my difficulty. They seem to be made to max out all the levels. For example, when my API calcium test kit reads 460, the Seachem calcium test kit reads 390...? Also, the Seachem Reef Salt has such a high borate content you have to subtract the borate alkalinity out of the total alk to get the carbonate alk.
I'm dosing two times a day...calcium and mag in the morning and alk in the late afternoon. Problem is I'm getting large daily swings so I'm having to do HUGE doses. My calcium can go from 410 after dosing to 390 the next morning which seems like a large jump. The part that really troubles me is that my alk has swings as large as 4.5 meq/l (9.52 DKH after you subtract the borate alk) all the way down to 3.9 meq/l (8.12 DKH). I then have to do a large daily dose of Reef Builder to bring it back up which can't be good for my corals. Isn't a drop of over 1 DKH daily a bit extreme?
Its almost like when I dose the calc it brings my alk way down and then when I dose the alk it brings my calc way down. Its a neverending cycle that makes me do huge dosings daily. My mag reads 1350, do I need to go higher or could it be something else? How high a magnesium level is safe before its dangerous for the tank?