> For the complete documentation index, see [llms.txt](https://help.waterwatch.io/3.0.1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.waterwatch.io/3.0.1/mobile/existing-account-add-a-new-monitor.md).

# Existing Account? Add a new monitor

**Tank Monitors**

In the box with your new monitor, you'll find a setup brochure with a QR code on the front.

<figure><img src="/files/hq7sVANZ7F35rnPnXCs0" alt=""><figcaption><p>QR Code</p></figcaption></figure>

In the mobile app home screen, select 'Add Tank' and you'll be prompted to scan the QR code.

<figure><img src="/files/3aCTrqQiWULcKzWiwpjG" alt="" width="480"><figcaption></figcaption></figure>

If your phone is unable to scan the QR code, select 'add manually', and enter the product claim code.

<figure><img src="/files/L7uqrBUOfOidUIR9wPrr" alt=""><figcaption></figcaption></figure>

**Environmental Monitors**

Environmental monitors will be added to your organisation for you. Contact us if your account has not been set up.