should be correct

[Joseph Strahand]

Pool water should be maintained for bather comfort, and grout should withstand that water. Ideally, calcium hardness should be maintained between
75
mg/l and
150
mg/l.

please can you register this assessment as complete, so I can move on

[Stockwell Safety]

Hi, the latest recommended parameters can be found here: https://stockwellsafetylms.com/courses/pool-plant-operator-online-course/lessons/01-introduction-to-swimming-pools/topic/pool-water-testing-parameters-and-frequencies/

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