MAPLE M-321 - Page 18

17
SANITIZER (ppm)
Bromine
C HEM I C A L
PH
Total Alkalinity (TA)
Calcium Hardness
MIN
2.0
7.2
80
150
IDEAL
6.0 - 10.0
7.4 - 7.6
80 - 120
200 - 400
MAX
10.0
7.8
180
500 -1000
*National Spa & Pool Institute recommended levels for residential spas/hot tubs