OK, so still working through this.
4/20 readings:
FC 4.0
CC 0
pH 8
TA 140
CH 275
CYA 30
CSI 0.53
I'm working on refining my testing techniques and I think that may have changed the CYA reading. We got some rain too, which may be affecting some of the numbers as well.
I added 32 oz of 10%...