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TanksConnected logo TanksConnected
Aquarium tracking made simple

Keep your tanks stable,
organised, and easier
to understand.

TanksConnected helps fishkeepers track aquariums, log water tests, record water changes, plan stocking, and build a clearer picture of what is happening in each tank.

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Free to start No credit card needed
Built for real tank care Tests, stocking, maintenance
See patterns over time Not just one-off readings
Your Tanks

Live overview of volume, flow and bio-load across your system.

Tanks 5
Total volume 1,356 L
Total flow 13,400 L/h
Start Add a tank Create a profile with size, filters and notes.
Research Species library Check fish details before adding them.
Community Realtime chat Jump in when you need help or want to talk fish.
Swell Nile 702 L • 180 × 65 × 60 cm
103.9% stocked

Bio load6 fish • 3 species

Flow7,000 L/h

Turnover10.3x/h

Stock load 103.9% Bio load High Water changes Weekly • 35%
Aquael 240 240 L • 121 × 41 × 56 cm
126.9% stocked

Bio load23 fish • 3 species

Flow2,600 L/h

Turnover10.4x/h

Stock load 126.9% Bio load High Water changes Weekly • 40%
Fluval 125 125 L • 80 × 35 × 50 cm
94.6% stocked

Bio load18 fish • 3 species

Flow1,150 L/h

Turnover9.1x/h

Stock load 94.6% Bio load Medium Water changes Weekly • 35%

Stop guessing

Keep your test results, water changes, filters, and tank details together instead of trying to remember everything.

See the bigger picture

One reading only tells part of the story. TanksConnected helps you understand patterns over time.

Built for real fishkeepers

Designed around the things aquarium keepers actually do: stocking, maintenance, testing, filtration, and day-to-day care.

Built into TanksConnected

Everything your aquarium routine needs, without the notebook chaos.

Create tank profiles, log water tests, record water changes, plan stocking, check fish compatibility, and keep maintenance notes together in one place.

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Stocking calculator Compatibility checker Water test log Maintenance tracker
Learn & grow

New to fishkeeping?

Start with the free guides. No account needed.

Save your own tanks
Setting up a tank

A simple starting point for new aquariums.

→ Nitrogen cycle

Understand ammonia, nitrite, nitrate, and cycling.

→ Water changes

Learn why maintenance matters and how to do it right.

→ Quarantine basics

Reduce risk before new fish enter a tank.

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