7.6 dKH
 
Sep 22
Alkalinity
483 ppm
 
Sep 6
Calcium
dKH
ppm
Sep 22 Mon 7.6
Sep 12 Fri 8.2
Sep 6 Sat 8.5 483
Sep 1 Mon 7.6 447
Aug 27 Wed 6.9
Aug 25 Mon 6.9 449
Aug 20 Wed 4.8
Aug 17 Sun 4.6 456