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SAVE THESE INSTRUCTIONS
Page 2
(249PO) MODEL ECO7111 Cartridge Filter Pump & Saltwater System with E.C.O. ENGLISH 7.5” X 10.3” PANTONE 295U 05/25/2016
English
249
PO
S AVE THESE INSTRUCTIONS
English
Page 24
POOL MAINTENANCE & CHEMICAL DEFINITIONS
• Donotaddpoolchemicalsdirectlytotheskimmer.Thismaydamagethecell.
•Maintainingahighsaltandsanitizerlevelsaboverecommendedrangecancontributeto
corrosion of pool equipment.
• Checktheexpirydateofthetestkitasthetestresultsmaybeinaccurateifthekitisusedafter
that date.
• If,duetoheavypoolusage,itisrequiredtoincreasethesanitizerlevel,thenuseachemical
based on Trichloro-s-triazinetrione or sodium dichloro-s-triazinetrione dihydrate.
HCLO - A very effective killer of algae and bacteria known as hypochlorous acid.
Free
Chlorine
-
Is the sanitizer (HCLO) present in pool water.
Combined
Chlorine
-
Is formed by the reaction of free Chlorine with ammonia wastes.
Result if too high - Sharp chlorinous odor, eye irritation.
pH
-
A value that indicates how acidic or basic a solution is.
Resultiftoolow- Corrodedmetals,eye&skinirritation,destructionof
total alkalinity.
Result if too high - Scale formation, cloudy water, shorter filter runs, eye
&skinirritation,poorChlorineefficiency.
Total Alkalinity
-
Indicates the degree of the water's resistance to change in pH. It
determines the speed and ease of pH change, so always adjust total alka
linity before adjusting the pH level.
Resultiftoolow- Corrodedmetals,eye&skinirritation.Lowalkalinity
will cause the pH to be unstable. Any chemical added
to the water will have an affect on pH.
Resultiftoohigh- Scaleformation,cloudywater,eye&skinirritation,
poor Chlorine efficiency.
Calcium Hardness
-
Refers to the amount of calcium and magnesium dissolved in the water.
Resultiftoohigh- Eye&skinirritation,difficultybalancingwaterand
poor chlorine efficiency. Scale will form and will
cause the water to become cloudy.
Stabilizer
-
Stabilizers extend the life of Chlorine in swimming pools.
(Cyanuric Acid)
Preferred Water Chemistry Reading
Minimum Ideal Maximum
Free Chlorine
00.5-3.0ppm5.0ppm
Combined Chlorine
0 0 ppm 0.2 ppm
pH
7.2 7.4 - 7.6 7.8
Total Alkalinity
40 ppm 80 ppm 120 ppm
Calcium Hardness
50ppm100-250ppm350ppm
Stabilizer (Cyanuric Acid)
10 ppm 20 - 40 ppm 50 ppm
24


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