EN / Early Access

Bloom Biofilm Location

Bloom Biofilm is a tough obstruction that blocks some colony ruin entrances; clear it with the Sonic Resonator.

verifiedlight spoilers

Bloom Biofilm Location in Subnautica 2

Quick answer: Use a charged Sonic Resonator blast to clear it; do not treat it as a normal collectible resource. Check Colony ruin routes and verify the status label after Early Access patches.

Biomes: Colony ruin routes
Depth range
Patch: Early Access
Last checked: 2026-05-21