SC Swimming Pool Practice Questions - South Carolina Swimming Pool Contractor Examination Exam

The CPO Handbook treats a Langelier Saturation Index (LSI) in approximately which range as balanced water?

−3.0 to −2.0 (highly corrosive) −0.3 to +0.3 +1.5 to +2.5 (heavy scale) Any positive value, regardless of magnitude

Correct Answer:

−0.3 to +0.3

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