pH Alert (continuous pH test)

Seachem pH Alert is a monitoring device for freshwater aquarists who want to track water pH without repeated manual testing. It sits inside the aquarium or filter and changes colour when the pH moves within the 5.8 to 8.2 range, giving a visual warning between test sessions.

Why it matters

• Continuous monitoring: the indicator tracks pH in the water all the time, so changes are visible without taking a sample.
• No test strips needed: it removes the need for indicator paper or separate test kits for routine pH checks.
• Clear colour scale: the scale is easy to read, so a shift in pH can be spotted at a glance.
• Compact design: it is about half the size of comparable meters, so it takes up little space in the tank and is not conspicuous. The supplier rates its service life as roughly four times longer than similar devices.

Specifications

• Brand: Seachem
• Model: pH Alert
• EAN: 000116002004
• Measuring range: pH 5.8 to 8.2
• Type: continuous indicator, placed in tank or filter
• Water type: freshwater only
• Service life: up to 6 months
• Weight: 0.1 kg

What it works with

pH Alert is intended for freshwater aquariums and can be placed directly in the tank or in the filter. Because it is designed only for freshwater, it is not suitable for marine or brackish setups. Its compact size makes it practical for smaller and medium-sized freshwater tanks where space is limited.