Tank
Maintenance
An aquarium maintenance routine you can actually keep
Build a repeatable routine around observation, water tests, partial water changes and filter care—not a complete teardown.
Read article →The TankBids blogBetter habits.
Better habits.
Healthier aquariums.
Practical ideas for the world behind the glass. Explore aquarium maintenance, design, filtration, livestock and equipment.
Our approach to useful aquarium content →
Start with the essentials
Six practical guides · October 2026Water quality
The aquarium nitrogen cycle: make decisions from tests, not the calendar
Understand what biological filtration does, what “cycled” means in practice and how to keep a clear startup record.
Read article →Filtration
Sponge, hang-on-back or canister: choose a filter around the aquarium
Compare filter formats by maintenance access, livestock needs, circulation and the way you will actually use them.
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Design
Plan an aquascape that still works on maintenance day
Build the layout around swimming space, access, equipment and the mature aquarium—not only the first photograph.
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Livestock
Choose aquarium livestock with a compatibility worksheet
Move beyond “community fish” labels with a practical worksheet for adult size, water conditions, behavior and feeding.
Read article →Equipment
Buying used aquarium equipment: inspect the whole setup
A checklist for comparing completeness, condition, service history and replacement costs before buying secondhand gear.
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