REPORTS

Controlling calcium hardness

Maintaining appropriate levels of calcium hardness is a key balance factor in basic recreational water care. Typically, water in a vinyl-lined or fibreglass swimming pool should contain a calcium hardness level of 175 to 225 parts per million (ppm), while the recommended...
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EXPERT ADVICE

Back to basics: Choosing the right clarifier

Cleanliness and crystal-blue pool water is always the goal for a pool owner, and specialty retailers and service technicians strive to make sure an inviting pool is always achieved during the hot summer months.
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