Water Condition Monitor

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  • Seachem Alerts Combo Pack 1 Year

    Ammonia Alert

    Ammonia Alert® is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are needed. The device detects less than 0.05 mg/L (ppm) free ammonia and alerts you to the #1 killer before any sign of stress. It lasts over a year. Marine or freshwater use.

    pH Alert

    pH Alert® is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously. A sensor changes color reversibly to alert you shifts to in pH levels between 5.4 and 8.0. No tests, no strips, just constant readings. Freshwater Only.

    $20.19 Add to cart
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  • Seachem Ammonia Alert

    Ammonia Alert® is an innovative color device for continuously detecting and monitoring toxic free ammonia. A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are needed. The device detects less than 0.05 mg/L (ppm) free ammonia and alerts you to the #1 killer before any sign of stress. It lasts over a year. Marine or freshwater use.

    $9.79 Add to cart
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  • Seachem Ph Alert

    pH Alert® is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously. A sensor changes color reversibly to alert you shifts to in pH levels between 5.4 and 8.0. No tests, no strips, just constant readings. Freshwater Only.

    pH Alert® lasts up to 4 times as long as competing products. pH Alert® is also almost half the size of competing products (1.5″ x 2.5″). It’s small, clear, and unobtrusive, so it won’t detract from the view of your aquarium.

    $9.79 Add to cart
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