AstralPool Halo pH Probe (Acid Sensor) | Part #525150 | All Halo Chlorinators

AstralPool Halo pH Probe (Acid Sensor) | Part #525150

Genuine AstralPool replacement pH probe (acid sensor) for the Halo chlorinator range. The pH probe continuously monitors pool water acidity and works with the Halo system to maintain balanced pH levels automatically. A faulty probe causes inaccurate pH readings and can lead to under- or over-dosing of acid.

• Genuine AstralPool spare part — Part #525150
• Suits all Halo chlorinators
• 12-month manufacturer warranty
• Includes: 1x AstralPool Halo pH probe

Frequently Asked Questions

What does the pH probe do on an AstralPool Halo chlorinator?

The pH probe (acid sensor) continuously measures the acidity of your pool water and sends readings to the Halo controller. The system uses this data to automatically dose acid and maintain the correct pH balance.

How do I know if my Halo pH probe needs replacing?

Signs include inaccurate or erratic pH readings on the Halo controller, pH levels that don’t respond to dosing, or a probe that fails calibration. pH probes typically require replacement every 1–2 years depending on usage and water conditions.

Which AstralPool chlorinators does Part #525150 fit?

This pH probe suits all AstralPool Halo chlorinator models.

Is this a genuine AstralPool part?

Yes, this is a genuine AstralPool spare part (Part #525150) backed by a 12-month manufacturer warranty.