Seachem Alert Combo combines Ammonia Alert and pH Alert into one convenient package, providing continuous and accurate monitoring of both free ammonia and pH levels in your aquarium. Designed for use in freshwater and marine systems, this combo pack gives real-time updates with a simple, color-changing sensor—no sampling, no strips, and no chemicals required. Key Features Continuously monitors free ammonia and pH 24/7 Easy-to-read color indicators – no test kits needed pH Alert™ lasts up to 3–6 months; Ammonia Alert™ lasts up to 1 year Accurate, real-time detection ideal for both new and established tanks Safe for both freshwater and marine aquariums
SKU: SCTK-0012