Seachem Ammonia Alert Aphid Or Mildew Control less bright

less bright

'Lutea' is particularly noted for its vibrant yellow blooms

it will maintain its erect

- Suitable for indoor and outdoor use with waterproof backing

Seachem Ammonia Alert Aphid Or Mildew Control less brightAmmonia Alert is an innovative colour 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.