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... MSRP: Was: Now: $11.95 Add to Cart
Seachem Seachem Ammonia Alert Sensor 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... MSRP: Was: Now: $7.95 Add to Cart
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... MSRP: Was: Now: $6.95 Add to Cart
