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SeaChem has been producing quality test kits at affordable prices for nearly 30 years. Individual and multi kits are available for testing Ammonia, Calcium, Nitrite, Alkalinity, Magnesium and more.

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  • Seachem Alerts Combo Pack Ammonia & PH Sensors Seachem Alerts Combo Pack Ammonia & PH Sensors

    Seachem

    Seachem Alerts Combo Pack Ammonia & PH Sensors

    Seachem Alerts Combo Pack Ammonia & PH Sensors No strips, no tests, just constant readings. Now Ammonia Alert and pH Alert come together! Ammonia Alert and pH Alert employ Seachem Sensor Technology; a sensor changes color reversibly to alert you to...

    $11.95
  • Seachem Ammonia Alert Sensor Seachem Ammonia Alert Sensor

    Seachem

    Seachem Ammonia Alert Sensor

    Seachem Ammonia Alert Ammonia Alertâ„¢ 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...

    $7.95
  • pH Alert Sensor by Seachem

    Seachem

    pH Alert Sensor by Seachem

    pH Alert Sensor by Seachem.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 5.8 and 8.2. FRESHWATER ONLY. No...

    $6.95
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