{
  "feature": "minecraft:deep_kelp",
  "placement": [
    {"type":"block_predicate_filter",
    "predicate": {
        "type": "minecraft:matching_block_tag",
        "tag": "sculk_replaceable"
    }
    },
    {
      "type": "minecraft:noise_based_count",
      "noise_factor": 80.0,
      "noise_offset": 0.0,
      "noise_to_count_ratio": 80
    },
    {
      "type": "minecraft:in_square"
    },
    {
      "type": "minecraft:heightmap",
      "heightmap": "OCEAN_FLOOR_WG"
    },
    {
      "type": "minecraft:biome"
    }
  ]
}