Freshwater aquariums · all levels
Get your freshwater aquarium right, at every step.
Step-by-step guides, honest gear comparisons and clear fixes for common problems — to keep your tank healthy and your fish thriving.
Browse by topic
Everything for your freshwater aquarium
Pick the topic you need — setup, problems, gear, aquascaping or fish. Each section gathers our guides so you can find your way.
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The guide The freshwater aquarium guide
The whole journey, from setup to fish.
Start here →⚙
Setup Setup & cycling
Cycling, filling, tank size: the foundations.
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Problems Problems & fixes
Algae, cloudy water, green water… solved simply.
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Gear Gear & comparisons
Filters, heaters, lights: for every budget.
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Aquascaping Aquascaping & decor
Natural layouts: plants, soils, rocks, wood.
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Species Species care
Which tank, how many, who to mix.
→Not sure which tank to get?
You often pick the tank based on the fish you want.