Hot Tub Chemicals: What You Need and How To Add Them
https://www.swimuniversity.com/hot-tub-chemicals/
WebDec 29, 2023 · What Chemicals Do You Need for a Hot Tub? If you want to keep your hot tub water balanced and avoid major problems like algae, bacteria, and biofilm build-up, you’ll need to have these hot tub chemicals on hand: Hot tub sanitizer, like chlorine or bromine; Hot tub shock; Alkalinity increaser; pH increaser; pH decreaser; Calcium hardness …
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