Test strips vs connected probe: the honest comparison

A connected probe is appealing with its alerts, but it is expensive and needs replacing. For the vast majority of family pools, a simple test strip gives more than enough benchmarks — here is how to compare them.

In short

A test strip measures pH, chlorine, total alkalinity and stabiliser in seconds, for a few euros. A connected probe measures continuously and sends alerts, but costs hundreds, has consumables and depends on an app. For family use, the strip is enough; the probe mainly adds tracking comfort, not healthier water.

The test strip: simple, cheap, sufficient

A strip is dipped in the water and gives, by colour matching, the key values (pH, chlorine, total alkalinity, stabiliser). It is inexpensive, instant, and perfectly suited to a check two or three times a week. The trade-off: the reading is visual (a little approximate) and you have to remember to test yourself.

The connected probe: comfort, at a cost

The probe measures continuously and warns when a value drifts, which avoids forgetting a test. But it is an investment of several hundred euros, its sensors wear out and get replaced, and it depends on an app and a connection. Above all, it measures: you are still the one adding the products.

What to do, step by step

  1. Assess your real need

    Typical family use: a strip is enough. Want automated tracking and have the budget: a probe can add comfort.

  2. Set your benchmarks

    pH 7.0–7.4, sufficient chlorine, alkalinity 80–120, stabiliser 30–50: the same targets whatever the measuring method.

  3. Test regularly

    With a strip, two or three checks a week in season, and more after a storm or a heatwave.

  4. Correct with the right amounts

    Whatever the measurement, a calculator gives the exact amount to add — and you stay self-reliant.

Frequently asked questions

Is a test strip reliable enough?

For family maintenance, yes: it gives benchmarks sufficient to keep the water healthy. The probe is more precise continuously, but it is not essential for most pools.

Does the connected probe treat the water for me?

No: it measures and alerts, but you are still the one adding the products. It automates tracking, not treatment.

Where do I start without a probe?

With the pool volume and the pH, which drive everything else, then tracking chlorine, alkalinity and stabiliser with a strip.