Alkalinity consumption rate

[asylumdown]

I didn't have space for a calcium reactor when I set up the tank, but if this is headed where it seems like, I'll be going through an entire $24 box of both tropic Marin's part A and B every 8 days. I'll probably go back to bulk chems before I get a calcium reactor, but I got rid of my external return pump a while back and have a big empty space next to my sump...