Water Chemistry Flashcards
1
Q
FAC (unstabilized chlorine)
A
Under 30 C= .5 -5ppm
Over 30 C= 1.5 -5ppm
Hot tubs = 3-5 ppm
Test 2x day
2
Q
Cyanuric Acid (stabilized chlorine)
A
Under 80ppm
Ideal 30-50ppm
Test weekly
3
Q
Combined Chlorine
A
Less than 1ppm
Test 2x day
4
Q
pH
A
7.2-7.8 (7.2-7.6 optimal)
Test 2x day
5
Q
Total Alkalinity
A
80-120 ppm
Test 2x day
6
Q
Calcium hardness
A
180-220 ppm
Testing recommended weekly
7
Q
TDS
A
200-800 ppm
Testing recommended weekly
8
Q
Temperature
A
Pool Max 37 C
Hot tub max 40 C
9
Q
Chlorine Cyanurate (pucks)
A
Under 30 C = min 1ppm
Over 30 C- 2 ppm
10
Q
Bromine
A
1.5-2.5 ppm
11
Q
ORP
A
700 -750mV
12
Q
Saltwater concentration
A
2500 ppm
13
Q
Beach e.coli
A
200/ 100mL geometric mean over 5 samples
OR 400/ 100 mL single sample
14
Q
Beach enterococci
A
35/ 100 mL geometric mean
70 100 mL single sample
