meatballcraft/resources/contenttweaker/blockstates/infinitely_unholy_radioactive_mix.json

{
  "forge_marker": 1,
  "defaults": {
    "model": "forge:fluid",
    "custom": {
      "fluid": "infinitely_unholy_radioactive_mix"
    }
  },
  "variants": {
    "normal": [{}]
  }
}