Seachem One Year Alert Combo

• Seachem sensor technology
• Includes Ammonia Alertand pH Alert
• Continuously monitors ammonia and freshwater pH
• No chemicals or test procedures are required
• One year supply

The One Year Alert Combo pack combines a year supply of Ammonia Alert (1 card) and pH Alert (1 card and 1 replacement sensor). Ammonia Alert and pH Alert are almost half the size of competing products. At 1.5" x 2.5", they are small, clear, and unobtrusive, so they won't detract from the view of your aquarium. Simply place Ammonia Alert and pH Alert visibly anywhere in the aquarium or filter. Its that easy. No chemicals or test procedures are required.