SUBNAUTICA DATABASE GUIDE
PDA INDEX

PDA DATABASE ACCESS

STATUS // AUTHORIZED
BELOW ZEROOPEN HUB ↗
NEXT OBJECTIVEWhat should I do next?RESOURCE SCANCan't find something?BLUEPRINT CHECKCan't unlock?
FIELD RECORD // FIND
GAME // below zeroENTITY // Hydrochloric AcidVERIFIED

FIND // PDA CASE FILE

Can't Find Hydrochloric Acid in Below Zero

Hydrochloric Acid is a crafted advanced material for Polyaniline. Its blueprint trigger is a Flowering Spore, while its actual recipe uses Young Cotton Anemones and Salt.

LAST CHECK

ANSWER LOCK // QUICK RESPONSE

Pick up a Flowering Spore in the Deep Lilypads Cave to unlock the blueprint, then craft Hydrochloric Acid at the Fabricator with three Young Cotton Anemones and one Salt Deposit.

SIGNAL CONFIRMED

LOCATION SCAN

BIOMEDeep Lilypads Cave for Flowering Spores and Young Cotton Anemones
DEPTHDeep mid-game cave route
REQUIRED EQUIPMENTSeatruck with suitable depth preparation, Beacon for Deep Lilypads Cave, Three Young Cotton Anemones, One Salt Deposit, Fabricator

BRING THIS

  • Seatruck with suitable depth preparation
  • Beacon for Deep Lilypads Cave
  • Three Young Cotton Anemones
  • One Salt Deposit
  • Fabricator

DATA ACCESS LEVEL

Reveal only as much as you need

02 // DIRECTIONDirectionROUTE GUIDANCE
03 // EXACT ANSWERExact answerFULL SPOILER

COMMON REASONS YOU ARE STUCK

  • Trying to craft Hydrochloric Acid from Flowering Spores
  • Having the recipe trigger but not three Young Cotton Anemones
  • Searching for a loose acid pickup
  • Confusing Salt Deposit with another white seabed resource
  • Checking the Vehicle Upgrade Console instead of the Fabricator

NEXT WAYPOINTS

Can't Find Polyaniline in Below Zero Can't Find Young Cotton Anemone in Below Zero Can't Find Salt in Below Zero Can't Find Ruby in Below Zero

EVIDENCE LOG

Verification record

Facts on this page are separated from player speculation. Version-sensitive answers should be rechecked after an official update.

LAST CHECK2026-09-01