E-Clear MK7/CF1-75, User Manual

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8.2.4. DO'S AND DONT'S
ALKALINITY
e-Clear pools need low alkalinity, unlike chlorine pools. This is because our system changes the
chemical make-up of the calcium in the water into bicarbonate. Therefore, alkalinity should never
need be raised in e-Clear pools after initial setup.
pH and alkalinity are closely linked, alkalinity is defined as the ability of the water to resist pH
changes. Therefore,
if your alkalinity is too low you may need to add large amounts of pool
acid very often.
pH
A pH of 6.8 results in more stable water parameters. Never allow pH to rise above 7.2 as this renders
the e-Clear's hydrolysis and ionization ineffective.
Prolonged high pH levels or low pH levels may damage your plates and also allow calcium
deposits to build up on your plates
which will then require removal and manual cleaning in an
acid solution. High alkalinity causes the pH to drift upwards quickly.
CALCIUM
Calcium is added at e-Clear installation to produce conductivity in the pool water so that an electrical
charge can travel between the electrodes. 250-400ppm is necessary. Have water tested 1 week after
installation for calcium.
Too little calcium will prevent proper operation of the e-Clear system. Low calcium hardness can
promote pool corrosion. High calcium can cause the water to appear cloudy.
PHOSPHATES
Phosphates are food for algae. If you have an algae problem and your copper residual is at
0.5ppm then you may have a phosphate problem. Phosphates are added by leaves, grass and other
organic material as well as by people, dogs and clothing washed in certain detergents.
Test the phosphates at a pool shop and add a phosphate remover.
A non-metal based algaecide can be added.
A peroxide based shock may be necessary to kill algae blooms.
ALGAE
Algae blooms occur when pH is lower than 6.8 and higher than 7.2 or the copper residual
is lower than 0.5ppm
If algae occurs in your pool, check phosphates, adjust pH, check copper.
Dead spots in your pool where water doesn't move freely, e.g., steps or square corners, are
susceptible to algae growth, regularly brush walls in these areas.
Floating or substrate based algae can be controlled by adding non-metal based algaecide said and
shocking the water using peroxide based treatments.
Also, check filter glass media, replace glass media if older than 18 months.
Fitting a larger pump and filter will solve almost all algae problems and most water
quality issues.