# Gas
{% hint style="info" %}
On the Gas page, select the preset gas settings you want to use. They’ll automatically apply to each relevant module.
***
The guide below refers to BSC. The same logic applies to all supported blockchains, although buttons and available features may vary.
{% endhint %}
***
{% stepper %}
{% step %}
Select the desired blockchain
{% endstep %}
{% step %}
Tap ⛽️ Gas
| Button | Action |
| ---------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Buy Gas | Set the transaction gas (Max Priority Fee) for buying.
Max Fee is automatically calculated using the formula: Base Fee + (Priority Fee × 2).
|
| Sell Gas | Set the transaction gas (Max Priority Fee) for selling.
Max Fee is automatically calculated using the formula: Base Fee + (Priority Fee × 2).
|
| Approve Gas | Set the desired gas amount to approve the token to be sold |
| Buy Tip | Set the tip to increase transaction priority and help your trade execute faster. |
| Sell Tip | Set the tip to increase transaction priority and help your trade execute faster. |
| {% endstep %} | |
| {% endstepper %} | |
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