First off, I found you guys before I hit the pool store, so I'm ahead of the game already.
Specs:
Approx 20000 gal pool, rough estimate, 3ft to 8ft, 36x15
Vinyl inground pool
TFC100XL test kit.
My first tests, I'm a bit colorblind, but I confirmed the PH and CL tests with my daughter.
PH...