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Reefing Radio · Sep 19, 2025 · 1 hr 12 min

Does size matter?

Reefing Radio – “Does Size Matter?” Chris, Gareth, and James tackle one of the most common questions in reefing: what are the real differences between running a small tank and a large one? Inspired by a listener upgrading from a nano to a four-foot setup, we dig into the trade-offs between scale, cost, and enjoyment. We cover: Stocking strategies – why small tanks highlight tiny fish & critters, while big tanks let you go big on tangs and foxfaces Aggression & space – does a larger tank really reduce conflict, or just give you more battles to manage? Coral growth – bonsai colonies vs basketball-sized torches, and how aesthetics shape your choices Maintenance – the speedboat vs oil tanker analogy: stability, water changes, and how much muscle it takes to shift 60 litres Equipment – what you can get away with second-hand, and why return pumps aren’t the place to cut corners The “perfect size” tank – from cubes to peninsulas, we each share where we’d land if we had to start again From James flooding his kitchen to Gareth finally rehoming his foxface, it’s a wide-ranging chat packed with lessons learned and plenty of debate on whether bigger really is better. 👉 Follow us on Instagram: ⁠⁠⁠⁠@reefing_radio⁠⁠⁠⁠ 📘 Find us on Facebook: ⁠⁠⁠⁠Reefing Radio⁠⁠⁠⁠ 💬 Got feedback or questions? Drop us a message! 🎧 Subscribe to hear more reefing chat every week

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show notes

Reefing Radio – “Does Size Matter?”

Chris, Gareth, and James tackle one of the most common questions in reefing: what are the real differences between running a small tank and a large one? Inspired by a listener upgrading from a nano to a four-foot setup, we dig into the trade-offs between scale, cost, and enjoyment.

We cover:

  • Stocking strategies – why small tanks highlight tiny fish & critters, while big tanks let you go big on tangs and foxfaces
  • Aggression & space – does a larger tank really reduce conflict, or just give you more battles to manage?
  • Coral growth – bonsai colonies vs basketball-sized torches, and how aesthetics shape your choices
  • Maintenance – the speedboat vs oil tanker analogy: stability, water changes, and how much muscle it takes to shift 60 litres
  • Equipment – what you can get away with second-hand, and why return pumps aren’t the place to cut corners
  • The “perfect size” tank – from cubes to peninsulas, we each share where we’d land if we had to start again


From James flooding his kitchen to Gareth finally rehoming his foxface, it’s a wide-ranging chat packed with lessons learned and plenty of debate on whether bigger really is better.


👉 Follow us on Instagram: ⁠⁠⁠⁠@reefing_radio⁠⁠⁠⁠

📘 Find us on Facebook: ⁠⁠⁠⁠Reefing Radio⁠⁠⁠⁠

💬 Got feedback or questions? Drop us a message!

🎧 Subscribe to hear more reefing chat every week

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