# Chemical (Mekanism)

{% hint style="warning" %}
This requirement requires [Custom Machinery Mekanism](https://www.curseforge.com/minecraft/mc-mods/custom-machinery-mekanism) to be installed.
{% endhint %}

**Use one of these methods to add a** [**Chemical Requirement**](/custom-machinery-1.19/recipes/requirements/chemical-mekanism.md) **to the recipe.**

#### Gas : 

```javascript
.requireGas(gas)
.requireGas(gas, "tankID")

.requireGasPerTick(gas)
.requireGasPerTick(gas, "tankID")

.produceGas(gas)
.produceGas(gas, "tankID")

.produceGasPerTick(gas)
.produceGasPerTick(gas, "tankID")
```

#### Infusion : 

```javascript
.requireInfusion(infusion)
.requireInfusion(infusion, "tankID")

.requireInfusionPerTick(infusion)
.requireInfusionPerTick(infusion, "tankID")

.produceInfusion(infusion)
.produceInfusion(infusion, "tankID")

.produceInfusionPerTick(infusion)
.produceInfusionPerTick(infusion, "tankID")
```

#### Pigment : 

```javascript
.requirePigment(pigment)
.requirePigment(pigment, "tankID")

.requirePigmentPerTick(pigment)
.requirePigmentPerTick(pigment, "tankID")

.producePigment(pigment)
.producePigment(pigment, "tankID")

.producePigmentPerTick(pigment)
.producePigmentPerTick(pigment, "tankID")
```

#### Slurry

```javascript
.requireSlurry(slurry)
.requireSlurry(slurry, "tankID")

.requireSlurryPerTick(slurry)
.requireSlurryPerTick(slurry, "tankID")

.produceSlurry(slurry)
.produceSlurry(slurry, "tankID")

.produceSlurryPerTick(slurry)
.produceSlurryPerTick(slurry, "tankID")
```

* The `gas`, `infusion`, `pigment` and `slurry` params must be the ID of the chemical: `"namespace:id"` example : `"mekanism:sulfuric_acid"` \
  You can also specify an amount (in mB) : `"mekanism:sulfuric_acid 500"` \
  If no amount is specified the default is 1000mB.
* The `tank` param must be a string corresponding to a tank id defined in a custom machine json [Chemical Component](/custom-machinery-1.19/creating-custom-machines/machine-components/chemical-component-mekanism.md) `tank` property.

### Example

This recipe will consume 1000mB of steam gas to produce 100mB of white pigment : 

```javascript
ServerEvents.recipes(event => {

  event.recipes.custommachinery.custom_machine("custommachinery:power_crusher", 100)
  .requireGas("mekanism:steam 1000")
  .producePigment("mekanism:white 100")
})
```


---

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