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Freshwater
Common Spring Essence
Common Deco
+
FW Tank
+
🐟 Essence Fish
Rare Spring Essence
Rare Deco
+
FW Tank
+
🐟 Essence Fish
Epic Spring Essence
Epic Deco
+
FW Tank
+
🐟 Essence Fish
Legendary Spring Essence
Legendary Deco
+
FW Tank
+
🐟 Essence Fish
Saltwater
Common Marine Essence
Common Deco
+
SW Tank
+
🐟 Essence Fish
Rare Marine Essence
Rare Deco
+
SW Tank
+
🐟 Essence Fish
Epic Marine Essence
Epic Deco
+
SW Tank
+
🐟 Essence Fish
Legendary Marine Essence
Legendary Deco
+
SW Tank
+
🐟 Essence Fish
Brackish Deco
Common Tidal Essence
Common Brackish Deco
+
FW
or
SW Tank
+
🐟 Essence Fish
Rare Tidal Essence
Rare Brackish Deco
+
FW
or
SW Tank
+
🐟 Essence Fish
Epic Tidal Essence
Epic Brackish Deco
+
FW
or
SW Tank
+
🐟 Essence Fish
Legendary Tidal Essence
Legendary Brackish Deco
+
FW
or
SW Tank
+
🐟 Essence Fish
🌀 Essence Guide
How to produce every essence type — Spring, Marine, and Tidal — across all rarities.
💧 Spring Essence — Freshwater
Spring Essence
Requires a Freshwater tank + Freshwater decoration + Essence fish
Freshwater
Common Spring Essence
Common Deco
+
FW Tank
+
🐟 Essence Fish
Rare Spring Essence
Rare Deco
+
FW Tank
+
🐟 Essence Fish
Epic Spring Essence
Epic Deco
+
FW Tank
+
🐟 Essence Fish
Legendary Spring Essence
Legendary Deco
+
FW Tank
+
🐟 Essence Fish
🌊 Marine Essence — Saltwater
Marine Essence
Requires a Saltwater tank + Saltwater decoration + Essence fish
Saltwater
Common Marine Essence
Common Deco
+
SW Tank
+
🐟 Essence Fish
Rare Marine Essence
Rare Deco
+
SW Tank
+
🐟 Essence Fish
Epic Marine Essence
Epic Deco
+
SW Tank
+
🐟 Essence Fish
Legendary Marine Essence
Legendary Deco
+
SW Tank
+
🐟 Essence Fish
🌀 Tidal Essence — Brackish Deco
Tidal Essence
Requires a Brackish decoration + Freshwater OR Saltwater tank + Essence fish
Brackish Deco
⚠️
There are no Brackish tanks in the game. Place a Brackish decoration inside a Freshwater or Saltwater tank to produce Tidal Essence.
Common Tidal Essence
Common Brackish Deco
+
FW
or
SW Tank
+
🐟 Essence Fish
Rare Tidal Essence
Rare Brackish Deco
+
FW
or
SW Tank
+
🐟 Essence Fish
Epic Tidal Essence
Epic Brackish Deco
+
FW
or
SW Tank
+
🐟 Essence Fish
Legendary Tidal Essence
Legendary Brackish Deco
+
FW
or
SW Tank
+
🐟 Essence Fish
📌 Key Rules
Deco rarity = essence rarity. Always. No exceptions. A rare deco always produces rare essence.
Fish rarity doesn't matter for essence tier. A common essence fish works the same as a legendary one for determining rarity.
Fish just needs essence in its harvest slots. Speed scales with Harvest Power as usual.
Common fish + rare deco = rare essence but very slow. Higher Harvest Power fish matters more for rarer essence.
All decorations produce essence — what separates them is only biome and rarity.
No brackish tanks exist. Tidal essence is produced through brackish decos placed in freshwater or saltwater tanks.
⚗️ Quick Formula
Any rarity
FW Deco
→
Spring
FW Deco
→
Spring
Any rarity
SW Deco
→
Marine
SW Deco
→
Marine
Any rarity
Brackish Deco
→
Tidal
Brackish Deco
→
Tidal
Deco rarity tier directly sets the essence rarity tier. The tank biome sets the essence type (except Tidal which uses deco biome).