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Sundance® SpaSense Water Testing Cartridge – For Sutro® Monitor (pH, Chlorine/Bromine)
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Genuine Sundance® SpaSense replacement cartridge for use with the Sutro® Smart Monitor
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Measures pH, free chlorine, total chlorine, and bromine levels in your hot tub water
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Designed for Sundance® spas using chlorine or bromine-based sanitizers
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Provides lab-accurate digital water testing results via the Sutro® mobile app
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Each cartridge lasts approximately 90 days, depending on testing frequency and spa use
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Simple to replace—just unscrew the old cartridge from the monitor and insert the new one
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Helps ensure balanced water chemistry, reduced chemical waste, and a better soaking experience
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Ideal for users who want automated, hands-off water testing without manual strips or guesswork