Two answers · size

How big should your first aquarium be?

First Tank verdict. Both sides agree the 20L kit is a trap. They disagree on what you are buying: a box of water, or one of three specified ecosystems.

Living Oceans source: product range (80L / 130L / 200L). Aquarist source: standard beginner stocking physics — small water swings fast.

Normal aquarist answerLiving Oceans answer
The numberStart at 60–100 litres freshwater if you can. A 2-foot is the floor. A 3-foot is kinder.You do not invent a size. You choose 80L, 130L or 200L. 130L is listed as most popular.
What that number includesGlass. You still hunt a stand, a filter and a light that fit.That litre count is a complete Smart Ecosystem — cabinet and automation sized to it.
Bowls and nanosSkip them. They do not forgive mistakes.They do not sell that class of tank.

The aquarist is protecting you from unstable water. Living Oceans is selling a marine system that only exists at those three volumes.

Complete system · not a glass box Living Oceans already picked three sizes

80L, 130L (most popular) or 200L — cabinet included.

See Living Oceans sizes

First Tank may earn a commission. Living Oceans answers are taken from Living Oceans’ own guides, product pages and care checklists. Normal aquarist answers are standard hobby practice — not one shop.

Ask next: The cycle · Cost

Skip the 20L kit. See the complete clownfish system.

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