Freshwater, Saltwater & Reef Aquarium Guides

Keep the wonder.
Learn the water.

Better aquariums start with better information. Whether you’re setting up your first freshwater aquarium, building a thriving saltwater reef, or improving an established tank, Fish Are Friends helps you make informed decisions about aquarium care.

Start with freshwater ↗Start with saltwater ↗

Freshwater or saltwater, every fish deserves a healthy home.

A LITTLE ECOSYSTEM. A LOT TO DISCOVER. A planted freshwater aquarium with a school of small fish

01 / THE FRESHWATER WORLDTake your time. Build it well.

Choose your aquarium

Two worlds. One love of fish.

FreshwaterExplore planted tanks, freshwater fish and practical care →SaltwaterExplore saltwater setup, marine fish, reef flow and the ocean at home →

Learn before you stockUnderstand your waterBuild habits that last

Find your starting point

Good fishkeeping grows with you.

From your first tank to a more thoughtful setup.
Choose the path that fits today.

01 / BEGIN

Before the first fish.

Plan your setup, understand the cycle, and start with confidence.

The beginner guide ↗02 / UNDERSTAND

Go beyond the basics.

Explore stability, water chemistry, and deliberate improvements.

The advanced guide ↗03 / PROTECT

Notice. Check. Act.

Recognize changes, check the environment, and know when to get help.

Fish health & prevention ↗

More understanding. Fewer preventable losses.

Fish shouldn’t be
a trial-and-error purchase.

The first year can feel overwhelming. A clear tank can hide a water-quality problem, and conflicting advice can make simple decisions feel impossible.

We’re here to explain the why behind the care—so you can spot problems earlier, make informed choices, and enjoy the hobby for longer.

Build a better first year ↗

The essentials, explained