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Quick help

Fish tank problems? Get help fast

Pick the problem that sounds like yours and we’ll take you straight to the right guides.

1I’m setting up my first tank 2My water is cloudy or green 3My fish are acting strange 4Ammonia or nitrate is high 5Algae is taking over 6I need a better filter 7Which fish should I buy? 8My tank is too hot or cold
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Explore our aquarium guides

Everything on the site, organised the way you’d set up and look after a tank.

Tanks

Choosing, sizing and setting up the right tank.

Equipment

Filters, heaters, lights and air pumps compared.

Water Care

Cycling, ammonia, pH and cloudy water, sorted.

Maintenance

Cleaning, water changes, algae and pests.

Plants & Decor

Live plants, substrate and tank ideas.

Fish

Choosing, stocking and keeping fish healthy.

Beginner roadmap

Your first fish tank, step by step

Most new tanks struggle because fish go in too early. Follow this order and you’ll skip the most common mistake.

Day 1

Set up your tank

Pick the spot, add substrate, filter and heater, then fill it.

 Weeks 1–6

Cycle the water

Grow the good bacteria that keep ammonia from harming fish.

 Week 6+

Add fish slowly

Start with a few hardy fish and acclimate them properly.

 Every week

Keep it healthy

Test the water, change some of it, and clean the right way.
Aussie summer tip

Indoor tanks can climb past 30°C on hot days. Most tropical fish are happiest around 24–27°C, so keep an eye on the thermometer when the heat hits.

Keeping temps stable →
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