Reserve is the bromide component of the chlorine-free Reserve & Renew system, formulated for residential spas and hot tubs. It must be paired with Leisure Time Renew to function as a sanitizing system.
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Required partner: Leisure Time Renew (non-chlorine oxidizer) — Reserve has no sanitizing power without it
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Sanitizer program: the 100% chlorine-free Reserve & Renew two-part bromine system
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Also works as: the bromide bank builder for any bromine program, including Brom Tabs and Brominating Granular setups
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Spa shells: acrylic, vinyl, fiberglass, rotomolded plastic, stainless steel
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Equipment: safe on heater elements, circulation pumps, jet bodies, and standard cartridge filters; fully ozone-compatible
Maintenance
- Fill the spa with fresh water and turn on the filtration system.
- Balance total alkalinity (80–120 ppm) and pH (7.2–7.8).
- Treat the spa with Metal Gon according to its label directions — especially important for well water or fill water with metal content.
- Add 4 oz. of Reserve per 250 gallons of spa water directly into the spa while the water circulates, to ensure rapid and thorough distribution.
- Circulate for 15 minutes with the cover off.
- Add Renew according to its label directions to activate the bromide bank into active bromine.
- Test with spa test strips. Target active bromine: 1–3 ppm.
