| Variable |
Recommended
Level |
Means
To Control |
CL2
- "free chlorine"
Bromine |
1.0-3.0
ppm
3.0 - 5.0 ppm |
Regular,
manual or automatic feeding of chlorine or bromine |
Stabilizer
(Cyanuric Acid) |
30-50
ppm |
Add
Stabilizer if low. If high, drain pool water. |
| Total
Alkalinity |
80-150
ppm |
Add
acid if high Add Alka Plus if low |
| Hardness
(CaCO3) |
150-280
ppm |
Add
Metasol if higher Add Cal Plus if low |
| Dissolved
Total Solids |
Less
than 500 ppm |
Routine
backwash of a percentage of water |
| pH |
7.2
- 7.6 |
Adjust
with pH Up or pH Down |
| Temperature |
80°F
(28°C) |
Adjust
pool heater or solar blanket use |
| Chloramines
or other combined chlorine |
Less
than 0.1 ppm |
Superchlorinate
as required or treat with Oxy-Out to keep chloramines
at a minimum |
Bacteria
Count
A. Total
B. Coliform |
Less
than 200 on 85% of samples
None |
Regulate
levels of "free-chlorine" in range
1.0-1.5 ppm or
Bromine 2.0 - 5.0 ppm |
| Algae |
None |
Regular
algaecides to prevent algae. Formula 500 to kill visible
algae. |
| Water
clarity |
Clean
and clear |
Proper
filtration, pH, chlorine and alkalinity in proper range.
Addition of Clarifier. Routine backwash of a percentage
of water. |
| Iron
and copper metal |
Less
than 0.1 ppm |
Addition
of Metasol or Flocking with C-Clear |