Australia · independent aquarium guidance

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Type the question you actually have. Get a verdict in one sitting — then the system that does not leave you hunting filters on a Saturday.

Independent verdict first Australian marine systems Commission always disclosed

Watch the verdicts

Short briefs. Same answers as the pages. Play here. Same briefs on the site and on YouTube.

Size: two answersSize · 23 seconds
Timing: two clocksTiming · 19 seconds
The bowl: two answersThe tank I never got · 15 seconds
Watch on YouTube Watch the same briefs on YouTube.

Common questions

BeginnerHow big should my first aquarium be? BeginnerHow long before I add fish? BeginnerCan I use tap water in Australia? BeginnerWhat is the nitrogen cycle? BeginnerWhat fish are easiest for beginners? Go marineCan I convert my freshwater tank to saltwater? Go marineDo I need RO/DI water? Go marineEasiest first marine fish and soft corals? Rekindling your passion?Why did the childhood goldfish always die? BeginnerHow many fish can I put in my tank? BeginnerHow often should I change the water? BeginnerWhy is my new aquarium cloudy? BeginnerDo I need a filter and a heater? BeginnerHow much does a first setup cost? Rekindling your passion?Is this a good project to start with my kids? Rekindling your passion?Can I reuse an old tank from the shed?
Complete ecosystem · livestock included

Most first tanks fail because people buy a box of water.

When the honest answer is “buy a system”, we send you to Living Oceans — cabinet, automation and clownfish already specified. First Tank may earn a commission.

See the clownfish system

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

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