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Seachem Ammonia Alert - Continuous Nh4 Readings in Freshwater Saltwater Aquarium
Price:
AU $24.50
Free postage
Get it on time if you order in the next Get it on time if you order in the next 1h 1m
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Condition:
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.