Keep track of pH levels at a glance with Seachem pH Alert — a continuous in-tank pH monitor that provides real-time visual readings without the need for test kits. This compact sensor badge mounts inside your aquarium and constantly measures pH, displaying results through an easy-to-read colour indicator. It’s ideal for maintaining stable water chemistry and quickly spotting pH swings that can stress fish. No mixing reagents or waiting for results — just simple, constant monitoring. Key Features: ✔ Continuous In-Tank pH Monitoring✔ Clear Colour Indicator for Easy Reading✔ No Test Kits or Strips Required✔ Instantly Detects pH Changes✔ Long-Lasting Sensor (Up to 1 Year)✔ Suitable for Freshwater Aquariums Perfect For: Maintaining stable water chemistry New tank setups Monitoring sensitive species Quick visual pH checks Stable pH is essential for fish health and biological filtration. Seachem pH Alert gives you constant visibility so you can respond quickly to changes.