Just did a complete drain, scrub, and refill
I too just did a complete drain, scrub, and refill and here are my initial results using the TF 100 kit.
chlorine: 0
CC: 0.5
Ca Hardness: 50ppm
TA: 40
CYA: 0
pH: 8.2+
I have been using generic chlorine from grocery store. After refill I put in 2...