6
Ideal Water Chemistry Levels
It is important to maintain these chemistry levels in order to ensure that
the pool can be enjoyed safely, to minimize the amount of effort
required to sanitize the water, and to prevent corrosion or scaling. The
only unique requirement for a pool with a chlorine generator is the low
level of salt (salinity) to be maintained in the water. It may be helpful to
provide this manual to any pool professional that you may have
performing chemical testing or service, as requirements may vary from
brand to brand.
Swimming Pools Spas
Free Available Chlorine 1.0 - 3.0 ppm 3.0 - 5.0 ppm
Salinity 3000 - 4000 ppm 3000-4000 ppm
pH 7.2 - 7.8 7.2 - 7.8
Total Alkalinity 80 - 120 ppm 80 - 120 ppm
Calcium Hardness 200 - 400 ppm 150 - 450 ppm
Stabilizer (Cyanuric Acid) 60 - 80 ppm 60 - 80 ppm
Saturation Index -0.2 to +0.2 (0 Best) -0.2 to +0.2
Phosphates & Nitrates None (0 Best) None
CHEMISTRY TIPS:
Chlorine Stabilizer (Cyanuric Acid)
Stabilizer is needed to maintain proper levels of chlorine; the sun’s UV
radiation can destroy unstabilized chlorine in as quickly as 2 hours.
Stabilizer should be maintained between 60-80 ppm.
Nitrates and Phosphates
These chemicals are very common and can cause extremely high
chlorine demands and will deplete chlorine from your pool. When
present, they greatly increase the pool’s chlorine demand and can easily
lower your free chlorine levels to zero. Your local pool professional can
test for Nitrates and Phosphates, levels should be at zero.
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