Seachem Alert Combo – Continuous Ammonia & pH Monitoring for Aquariums

The Seachem Alert Combo is a dual-pack monitoring solution for freshwater and marine aquariums, combining two sensor-based indicators: Ammonia Alert® and pH Alert®. Designed for simplicity and long-term use, these compact, colour-changing devices continuously monitor water conditions without the need for testing kits, strips, or chemicals.

Ammonia Alert® tracks free ammonia levels, the most toxic form, with clear colour changes ranging from yellow (safe) to blue (toxic), reacting within 15 minutes. It lasts over a year and works in both marine and freshwater environments. pH Alert® provides instant visual feedback on pH shifts in the range of 5.4 to 8.0 for freshwater tanks, lasting up to four times longer than comparable products.

Key Features:

• Continuous monitoring of ammonia and pH levels
• Colour indicators require no sampling or test chemicals
• Ammonia Alert® is suitable for freshwater and marine aquariums
• pH Alert® is for freshwater use only
• Both devices are compact (1.5" x 2.5") and unobtrusive
• Ammonia Alert® responds to changes in approx. 15 minutes
• pH Alert® responds to pH shifts in approx. 10 minutes
• Long lifespan: Ammonia Alert® lasts over 1 year, pH Alert® up to 6 months
• Easy installation – place directly in tank or filter

Perfect for aquarists who want hassle-free water monitoring, the Seachem Alert Combo offers reliable, real-time updates to help maintain a healthy aquatic environment.