Essentials

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Start from the task — not a brand wall.

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Handle acid without guesswork.

Grade, bags, and what the cell actually needs.

Solid vs mesh, winter vs solar — job first.

Tablets, liquid, cal-hypo — roles, not brand names.

Cal-hypo, dichlor, non-chlorine — constraints first.

When strips are good enough — and when they lie.

Speed vs precision — pick for your pool week.