Seachem Ammonia Alert - Continuous Nh4 Readings in Freshwater Saltwater Aquarium

Price:
AU $28.65
Free postage
Estimated delivery Tue, 3 Dec - Tue, 10 Dec
Returns:
30-day returns. Seller pays for return postage.
Condition:
Brand New
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 free ammonia and alerts you to the number 1 killer before any sign of stress.