Seachem pH Alert – Continuous Freshwater pH Monitor (6-Month Duration)

Seachem pH Alert is a unique, color-based sensor that provides continuous pH monitoring in freshwater aquariums. Designed for convenience and reliability, it eliminates the need for test kits or strips. The sensor changes color in real time to indicate pH levels between 5.4 and 8.0, helping aquarists maintain a stable and healthy environment for their fish and plants.

Its compact, transparent design is unobtrusive and easy to read. Simply place it inside your tank or filter where it remains visible. The sensor lasts up to 6 months and requires no maintenance beyond occasional algae cleaning with a soft cloth.

Key Features:

• Continuously monitors pH in freshwater aquariums
• Color-coded sensor: yellow (acidic) to red (alkaline)
• Lasts up to 6 months—4x longer than similar products
• Compact and clear—won’t obstruct aquarium view
• No chemicals, strips, or batteries needed

Product Specifications:

Brand: Seachem
Model: pH Alert
Monitoring Range: pH 5.4 – 8.0
Duration: Up to 6 months
Country of Origin: United States

Directions for Use:

Place the pH Alert sensor visibly inside the aquarium or filter. Allow 30 minutes for initial activation. Thereafter, pH shifts will register within 10 minutes. For best accuracy, read the sensor under natural daylight or daylight-simulating light. Do not clean with soap or abrasive materials.