{
  "type": "exdeorum:barrel_fluid_mixing",
  "additive_fluid": {
    "fluid": "exdeorum:witch_water"
  },
  "base_fluid": {
    "amount": 1000,
    "fluid": "minecraft:lava"
  },
  "consumes_additive": true,
  "result": {
    "count": 1,
    "id": "minecraft:blackstone"
  }
}