Aquarium and pond tips from the people who maintain them
Practical, plain-English advice for tropical aquariums and garden ponds, from Cape Town's mobile monthly maintenance team. How to keep a tank healthy, the risks to watch for, moving a tank, chemicals and what's new.
How to move a fish tank safely: a step-by-step guide
Preparation, the tools it takes, keeping the same water and settling the fish. The way we move tanks with minimum disruption.
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Why regular aquarium maintenance beats a once-off clean
Stable water, not a sparkling tank once a year. What a monthly visit includes and how often your tank needs one.
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Custom aquarium builds: design and project management
We design your tank and manage the build: quotes, materials and workmanship checked.
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Aquarium water testing made simple
The nitrogen cycle in plain English, what to test and what the numbers mean.
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Aquarium chemicals: what your tank needs (and what it doesn't)
The essentials, what to use with care, and what never to put near a tank.
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The biggest risks to a tropical fish tank
Load-shedding, heaters, summer heat, overfeeding, disease and leaks, and how to prevent each one.
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What's new in home aquariums
Smart LED lights, phone alerts, backup power and captive-bred fish. What's worth it.
Read the guide →Pond care through Cape Town's seasons
Summer evaporation and algae, autumn leaves, winter rain and spring start-up.
Read the guide →Green pond water and other pond problems
What causes green water, string algae, gasping fish and heron visits, and what fixes them.
Read the guide →Koi pond filters, pumps and UV
How pond filtration works, pump sizing and cleaning without killing the bacteria.
Read the guide →We maintain tanks. We don't rescue them.
Fish Tank Boys is a mobile monthly maintenance service for homes and offices across Cape Town. Regular care keeps the water stable and the fish healthy, so tanks never get to the point of needing a rescue clean. These guides share how we do it.
- Monthly visits on a fixed day in your area
- Our own food and water treatments included
- Tropical tanks, custom builds and ponds
- Tank moves and build project management
Rather leave it to us?
Monthly aquarium maintenance across Cape Town, from homes to office receptions.