> For the complete documentation index, see [llms.txt](https://aquachilling.gitbook.io/aquachilling/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://aquachilling.gitbook.io/aquachilling/shop/upgrades.md).

# Upgrades

<figure><img src="https://1569139276-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FxamYNFSi7MHToQsheS3i%2Fuploads%2FuY6GEMRAHQlCh22Q3Vpp%2FTank.png?alt=media&amp;token=0246cfa3-5c6e-4a1a-b732-36b7c88a395f" alt=""><figcaption></figcaption></figure>

Upgrades can be purchased from the shop under the upgrade section, they allow the player to expand their existing tanks as well as buy new tanks. Moreover, there is a Food Upgrades for more efficient.

### Freshwater Tanks

<figure><img src="https://1569139276-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FxamYNFSi7MHToQsheS3i%2Fuploads%2FxRkT886ToGTsuGOMkSEC%2Fimage.png?alt=media&amp;token=14650557-6aae-4cd7-94ed-e79e90c44099" alt=""><figcaption></figcaption></figure>

Freshwater tanks are the first tanks the player can acquire,

### Saltwater Tanks

<figure><img src="https://1569139276-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FxamYNFSi7MHToQsheS3i%2Fuploads%2FCSAoJlrMGywy7Qh5TgV5%2Fimage.png?alt=media&amp;token=475d67d8-8286-4ea0-a807-7049b12185b4" alt=""><figcaption></figcaption></figure>