Here is the progression.
5/3
Staining fixed sequestrant added. Added 4 lbs borax to raise pH to 7.2. FC was still at 0 due to dropping to perform AA treatment. Running pump 24/7.
5/5
FC 0.2, CC 0, pH 7.4, TA 90, CH 390, CYA 70, Salt 3600
I didn't mean to go 2 days without checking FC but...