📐 Aquaponics System Design – Planned Before Building
Before buying more parts, I mapped out the entire system flow based on the materials I plan to use and the type of crops I want to grow.
This post is not about results yet — it’s about design logic.
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🔁 Water Flow Overview
1️⃣ Fish Tank
  • 1× IBC tank
  • Dedicated only to fish
Water exits the fish tank by gravity.
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2️⃣ Mechanical Filter Tank (200L)
First stop after the fish tank. Designed to:
  • capture solid waste
  • reduce debris before water reaches the grow beds
This keeps the grow beds cleaner and easier to manage.
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3️⃣ Grow Beds (4 units, single row)
Built from 2× IBC tanks, cut horizontally.
Each IBC provides two grow beds (top + bottom).
Grow bed configuration:
🟩 Grow Beds 1 & 2
  • Styrofoam raft system
  • Used for lettuce
  • Lightweight roots, minimal clogging
🟫 Grow Beds 3 & 4
  • Lava rock media
  • Bell siphon system
  • Suitable for heavier crops (cabbage, kale, etc.)
Water flows sequentially through all four beds.
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4️⃣ Sump Tank (200L)
  • Final collection point for all returning water
  • Positioned at the lowest level
  • Ensures stable water level in the fish tank
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5️⃣ Pump Return
  • Water is pumped from the sump tank back to the fish tank
  • System runs in a continuous loop
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🧠 Why This Design Makes Sense (for me)
  • Efficient use of IBC tanks
  • Clear separation between:
  • Simple gravity flow
  • Easy to adjust or scale later
Nothing is built yet — this is the thinking stage documented honestly, before spending money or locking myself into mistakes.
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Does this layout make sense to you, or would you approach it another way?
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Ali Özer
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📐 Aquaponics System Design – Planned Before Building
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