Top 10 Aquarium Essentials Every Fish Keeper Should Own
Whether you're setting up your very first aquarium or you've been keeping fish for years, having the right equipment can make all the difference. Healthy fish, crystal-clear water, and a thriving aquarium don't happen by chance—they're built on using quality aquarium products.
At Top Fin Aquatics, we've put together our list of the Top 10 must-have aquarium products every freshwater fish keeper should own. These essentials will help you maintain better water quality, healthier fish and a more enjoyable aquarium.
1. Test Your Water Regularly
If there's one piece of equipment every aquarist should own, it's a quality aquarium water test kit. Your water may look perfectly clear, but harmful ammonia, nitrite and nitrate can quickly stress or even kill your fish.
The API Freshwater Master Test Kit is one of the most trusted test kits available and allows you to accurately monitor the health of your aquarium.
https://www.topfinaquatics.co.nz/products/api-freshwater-master-test-kit
2. Always Use a Water Conditioner
Never add untreated tap water directly to your aquarium.
A quality water conditioner removes chlorine, chloramine and harmful heavy metals, making tap water safe for your fish immediately.
We recommend Aquaforest Water Conditioner for every water change.
https://www.topfinaquatics.co.nz/products/af-water-conditioner
3. Keep Your Gravel Clean
Over time, fish waste, uneaten food and organic debris collect in your substrate.
A gravel vacuum removes this waste during water changes while helping maintain excellent water quality and reducing algae problems.
The Sera Triangle Gravel Vac makes cleaning even the corners of your aquarium simple.
https://www.topfinaquatics.co.nz/products/sera-gravel-vac-triangle
4. Every Fish Keeper Needs a Good Fish Net
A quality fish net is something you'll use more often than you think.
Whether you're moving fish, removing leaves or catching new arrivals, the Sera Fine Fish Net is gentle on delicate fins and built to last.
https://www.topfinaquatics.co.nz/products/sera-fish-net-fine
5. Live Plants Create Healthier Aquariums
Live aquatic plants don't just make your aquarium look beautiful—they also improve water quality.
Benefits include:
- Absorbing nitrates
- Producing oxygen
- Providing shelter for fish
- Helping reduce algae
- Creating a more natural environment
Whether you keep bettas, community fish or cichlids, live plants are one of the best investments you can make.
https://www.topfinaquatics.co.nz/collections/aquatic-plants
6. Control Pest Snails Naturally
Most aquarists will eventually encounter pest snails.
Instead of using chemicals, the Sera Snail Trap provides a safe and effective way to reduce snail populations without harming your fish or shrimp.
https://www.topfinaquatics.co.nz/products/sera-snail-trap
7. Create a Natural Aquascape
Natural wood isn't just decorative—it provides shelter, reduces stress and helps recreate natural habitats for many tropical fish.
Whether you're creating a planted aquarium or a biotope setup, quality driftwood is an essential part of any aquascape.
https://www.topfinaquatics.co.nz/collections/wood-hardscape
8. Feed High-Quality Fish Food
Healthy fish start with premium nutrition.
Sera Fish Foods have been trusted by aquarists around the world for decades and offer specialised diets for tropical fish, cichlids, plecos, shrimp and more.
Quality food helps provide:
- Better colour
- Stronger immune systems
- Cleaner water
- Healthier, longer-living fish
https://www.topfinaquatics.co.nz/collections/sera
9. Maintain a Stable Temperature
Temperature fluctuations are one of the biggest causes of stress and illness in tropical fish.
The EHEIM Thermocontrol Heater provides accurate, reliable heating to keep your aquarium at a consistent temperature throughout the year.
https://www.topfinaquatics.co.nz/products/eheim-thermocontrol-heater
10. Stay on Top of Algae
Every aquarist experiences algae from time to time.
2Hr Aquarist APT Fix is an excellent tool for helping control algae while supporting a healthier planted aquarium when used alongside regular maintenance and good aquarium husbandry.
https://www.topfinaquatics.co.nz/products/2hr-aquarist-apt-fix
Build a Better Aquarium
Successful fishkeeping isn't about buying the most expensive equipment—it's about owning the right essentials and using them consistently.
From testing your water and cleaning your substrate to adding live plants and feeding premium fish food, these ten products will help you create a healthier aquarium and happier fish.
Whether you keep bettas, discus, African cichlids, goldfish, shrimp or a beautiful planted aquarium, these are products every aquarist should have.
Happy Fishkeeping,
The Top Fin Aquatics Team