# WaterGuru SENSE S3

*WaterGuru*

> The WaterGuru SENSE S3 is a solar-powered pool and spa water tester that measures pH, free chlorine, total alkalinity, cyanuric acid and calcium hardness daily, plus pump flow and temperature. It reports through the WaterGuru app on iOS and Android and works with Alexa and Siri, and WaterGuru says Google Home support has ended. It needs no app subscription. It suits Alexa users through an integration (the maker's cloud). It does not support Google Home.

- Canonical page: https://smarthomecanon.com/devices/waterguru-sense-s3
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | WaterGuru |
| Category | Pool water monitor |
| Status | Current[^1] |
| Form | Skimmer or floating pool water tester[^1][^2] |
| Measures | pH, free chlorine, total alkalinity, cyanuric acid, calcium hardness, pump flow, temperature[^1] |
| Connection | Wi-Fi, Bluetooth for setup[^2] |
| Power | Solar with USB-C charging[^1] |
| Released | unknown |
| Consumable | C5+ cassette, one included, lasts about one month of daily tests[^1][^2] |
| Subscription | None[^1][^2] |
| Warranty | 1 year, with a 30-day money-back guarantee[^2] |
| Sold in | United States only[^2] |

## Integration paths

**How the WaterGuru SENSE S3 connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | WaterGuru app, Wi-Fi at the pool area[^2] | unknown | unknown |

**Platform support for the WaterGuru SENSE S3**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Wi-Fi cloud | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Via integration[^2] |  |
| Wi-Fi cloud | [Google Home](https://smarthomecanon.com/platforms/google-home) | Not supported[^2] |  |

## Related pages

- [Wi-Fi through a cloud service](https://smarthomecanon.com/protocols/wifi-cloud) (protocol)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Google Home](https://smarthomecanon.com/platforms/google-home) (platform)

## Sources

[^1]: WaterGuru SENSE S3 Pool Monitor. https://www.waterguru.com/products/waterguru-sense-s3-pool-monitor (manufacturer, checked 2026-10-20)
[^2]: WaterGuru FAQ. https://www.waterguru.com/pages/faq (manufacturer, checked 2026-10-20)